MCQ Questions

MCQ Questions on Plant Morphology

by
MCQ Questions on Plant Morphology

Biology is the study of life. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Ace up your preparation with the Objective Questions available on Plant Morphology and enhance your subject knowledge. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well in your exams.

MCQ Questions on Plant Morphology

1. Water is absorbed by
(a) Root cap
(b) Root apex
(c) Root hairs
(d) Root

Answer

Answer: (c) Root hairs

2. Roots that develop from plant parts other than the radicle are
(a) Epicaulous
(b) Fibrous
(c) Adventitious
(d) Epiphyllous

Answer

Answer: (c) Adventitious

3. Pneumatophores occur in plants of
(a) Marshy soil
(b) Saline soil
(c) Water
(d) Sandy soil

Answer

Answer: (a) Marshy soil

4. Food present in bulbil occurs in
(a) Root
(b) Petiole
(c) Leaf base
(d) Stem

Answer

Answer: (c) Leaf base

5. Sweet potato is a modification of
(a) Leaf
(b) Primary root
(c) Adventitious root
(d) Underground root

Answer

Answer: (c) Adventitious root

6. Phyllotaxy is
(a) Folding leaf in the bud
(b) Arrangement of leaves on the stem
(c) Both (1) and (2)
(d) None

Answer

Answer: (b) Arrangement of leaves on the stem

7. Winged petiole is found in
(a) Acacia
(b) Peepal
(c) Citrus
(d) Radish

Answer

Answer: (c) Citrus

8. _______ is the characteristic of monocot plants
(a) Stilt roots
(b) Taproots
(c) Fibrous roots
(d) Annulated roots

Answer

Answer: (c) Fibrous roots

9. Which root modification does not store food?
(a) Stilt
(b) Conical
(c) Napiform
(d) Tuberous

Answer

Answer: (a) Stilt

10. Bulbils participate in
(a) Vegetative reproduction
(b) Sexual reproduction
(c) Respiration
(d) Transpiration

Answer

Answer: (a) Vegetative reproduction

11. Nodulated roots enrich the plant with
(a) Proteins
(b) Fats
(c) Carbohydrates
(d) Food

Answer

Answer: (a) Proteins

12. ______ is the edible part of a banana
(a) Epicarp and mesocarp
(b) Epicarp
(c) Mesocarp and less developed endocarp
(d) Endocarp and less developed mesocarp

Answer

Answer: (c) Mesocarp and less developed endocarp

13. Which plant has all roots?
(a) Podostemon
(b) Utricularia
(c) Lemna
(d) Wolffia

Answer

Answer: (a) Podostemon

14. Velamen takes part in
(a) Exchange of gases
(b) Transpiration
(c) Absorption of moisture from the air
(d) Absorption of water from the soil

Answer

Answer: (c) Absorption of moisture from the air

15. Leaves are attached to the stem at
(a) Internode
(b) Nodes
(c) Apical meristem
(d) Axillary meristem

Answer

Answer: (b) Nodes

16. ———– plants have root pockets
(a) Opuntia
(b) Capparis
(c) Banyan
(d) Eichhornia

Answer

Answer: (d) Eichhornia

17. Turmeric is a stem because
(a) It grows parallel to the soil surface
(b) It stores food material
(c) It has chlorophyll
(d) It has nodes and internodes

Answer

Answer: (d) It has nodes and internodes

18. Vivipary is the characteristic of
(a) Mesophytes
(b) Xerophytes
(c) Hydrophytes
(d) Halophytes

Answer

Answer: (d) Halophytes

19. The outer covering of the epiphytic root is
(a) Rhizophore
(b) Osmophore
(c) Pneumatophore
(d) Velamen

Answer

Answer: (d) Velamen

20. A root hair does not contain
(a) Vacuole
(b) Chloroplast
(c) Cell wall
(d) Nucleus

Answer

Answer: (b) Chloroplast

MCQs on Coelenterata for NEET 2023

by
MCQs on Coelenterata for NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Coelenterata Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Coelenterata

1. Which coelenterate is not polymorphic
(a) Vellela
(b) Physalia
(c) Porpita
(d) Adamsia

Answer

Answer: (d)

2. This group is commonly known as ‘sea stick’
(a) Porifera
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata

Answer

Answer: (b)

3. This does not belong to Phylum Coelenterata
(a) Sea cucumber
(b) Sea feather
(c) Sea pen
(d) Sea fan

Answer

Answer: (a)

4. A coelenterate that is commonly referred to as ‘fresh water polyp’ is
(a) Obelia
(b) Physalia
(c) Hydra
(d) Aurelia

Answer

Answer: (c)

5. This is a special character of coelenterata occurring only in them
(a) Flame cells
(b) Hermaphroditism
(c) Nematocysts
(d) Polymorphism

Answer

Answer: (c)

6. The characteristic larva in coelenterates is
(a) Oncosphere
(b) Rhabditiform
(c) Planula
(d) Cysticercus

Answer

Answer: (c)

7. Oxygen in coelenterates is supplied to different tissues by
(a) Plasma
(b) Diffuses through integuments
(c) Blood pigment
(d) Tracheal tubes

Answer

Answer: (b)

8. The class of coelenterata in which the medusa and polyp both are found in one animal is
(a) Anthozoa
(b) Hydrozoa
(c) Scyphozoa
(d) None of the above

Answer

Answer: (b)

9. This phylum shows the presence of nerve cells and absence of nerves
(a) Coelenterata
(b) Porifera
(c) Nemathelminthes
(d) Platyhelminthes

Answer

Answer: (a)

10. This is a characteristic feature of coelenterata
(a) Polyp
(b) Gastrovascular cavity
(c) All are marine
(d) Presence of tentacles around mouth

Answer

Answer: (b)

MCQs on Tissue Culture For NEET 2023

by
MCQs on Tissue Culture For NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Tissue Culture Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Tissue Culture

1. In plant tissue culture medium, Agar is a gelling agent This about agar is incorrect.
(a) remains stable at incubation temperature
(b) does not react with media constituents
(c) does not use in micropropagation work
(d) not digested by plant enzymes

Answer

Answer: (c)

2. In tissue culture system, this is the main effect of cytokines
(a) shoot elongation
(b) adventitious root formation
(c) induction of somatic embryos
(d) adventitious shoot formation

Answer

Answer: (d)

3. This is not a basic component of culture media for plant cultivation
(a) amino acids
(b) sucrose/sugar
(c) complex mixture of salts
(d) serum albumin

Answer

Answer: (d)

4. This plant propagation method uses girdling
(a) cuttings
(b) grafting
(c) layering
(d) both (a) and (b)

Answer

Answer: (c)

5. The ability of single cells to divide and produce all differentiated cells in the entity
(a) Totipotency
(b) Multipotent
(c) Pluripotent
(d) Unipotent

Answer

Answer: (a)

6. This is the first transgenic crop
(a) flax
(b) tobacco
(c) plastic
(d) cotton

Answer

Answer: (b)

7. This is not a feature of plant cells
(a) consists of plastids
(b) cell wall outside cell membrane
(c) presence of centrioles
(d) cell-cell communication through plasmodesmata

Answer

Answer: (c)

8. This is a superbug
(a) virus
(b) bacteria
(c) transgenic plant
(d) worms

Answer

Answer: (b)

9. This is cellular totipotency property
(a) plants
(b) animals
(c) virus
(d) none of the above

Answer

Answer: (a)

10. Growth of plant tissues in artificial media is
(a) cell hybridization
(b) plant tissue culture
(c) transgenesis
(d) gene expression

Answer

Answer: (b)

MCQ Questions on Genetics

by
MCQ Questions on Genetics

Biology is the study of life. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Ace up your preparation with the Objective Questions available on Genetics and enhance your subject knowledge. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well in your exams.

MCQ Questions on Genetics

1. The tendency of an offspring to resemble its parent is known as
(a) Variation
(b) Heredity
(c) Resemblance
(d) Inheritance

Answer

Answer: (b) Heredity

2. Who is known as the “Father of Genetics”?
(a) Morgan
(b) Mendel
(c) Watson
(d) Bateson

Answer

Answer: (b) Mendel

3. The alternate form of a gene is
(a) Alternate type
(b) Recessive character
(c) Dominant character
(d) Allele

Answer

Answer: (d) Allele

4. The genotypic ratio of a monohybrid cross is
(a) 1:2:1
(b) 3:1
(c) 2:1:1
(d) 9:3:3:1

Answer

Answer: (a) 1:2:1

5. The crossing of F1 to any of the parent is known as
(a) Test cross
(b) Back cross
(c) F1 cross
(d) All of the above

Answer

Answer: (b) Back cross

6. Which of the following statements is true regarding the “law of segregation”?
(a) Law of segregation is the law of purity of genes
(b) Alleles separate from each other during gametogenesis
(c) Segregation of factors is due to the segregation of chromosomes during meiosis
(d) All of the above

Answer

Answer: (d) All of the above

7. Homozygosity and heterozygosity of an individual can be determined by
(a) Back cross
(b) Self-fertilization
(c) Test cross
(d) All of the above

Answer

Answer: (c) Test cross

8. An exception to Mendel’s law is
(a) Independent assortment
(b) Linkage
(c) Dominance
(d) Purity of gametes

Answer

Answer: (b) Linkage

9. Pea plants were used in Mendel’s experiments because
(a) They were cheap
(b) They had contrasting characters
(c) They were available easily
(d) All of the above

Answer

Answer: (b) They had contrasting characters

10. The smallest unit of genetic material which produces a phenotypic effect on mutation is
(a) Muton
(b) Gene
(c) Recon
(d) Nucleic acid

Answer

Answer: (a) Muton

11. Mendel’s findings were rediscovered by
(a) Correns
(b) De Vries
(c) Tschermark
(d) All

Answer

Answer: (d) All

12. Alleles are
(a) Alternate forms of genes
(b) Linked genes
(c) Chromosomes that have crossed over
(d) Homologous chromosomes

Answer

Answer: (a) Alternate forms of genes

13. When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
(a) Pseudo-dominance
(b) Hypostasis
(c) Epistasis
(d) Incomplete dominance

Answer

Answer: (c) Epistasis

14. Cystic fibrosis is
(a) Sex-linked recessive disorder
(b) Autosomal dominant disorder
(c) Autosomal recessive disorder
(d) Sex-linked dominant disorder

Answer

Answer: (c) Autosomal recessive disorder

15. 9:7 ratio in the F2 generation represents
(a) Incomplete dominance
(b) Co-dominance
(c) Epistasis
(d) Complementary interaction

Answer

Answer: (c) Epistasis

16. A small amount of lethal mutation is always present in the population due to
(a) Positive selection
(b) Negative selection
(c) Frequency-dependent selection
(d) Mutation-selection balance

Answer

Answer: (d) Mutation-selection balance

17. If a plant with genotype AaBb is self-fertilized, the probability of getting AABB genotype will be (A and B are not linked)
(a) ½
(b) ¼
(c) ⅛
(d) 1/16

Answer

Answer: (d) 1/16

18. How many phenotypes can occur in the human blood group ABO with alleles IA IB i?
(a) 2
(b) 3
(c) 4
(d) 1

Answer

Answer: (c) 4

19. The geometrical device that helps to find out all the possible combinations of male and female gametes is known as
(a) Bateson Square
(b) Mendel Square
(c) Punnett Square
(d) Mendel Square

Answer

Answer: (c) Punnett Square

20. Which term represents a pair of contrasting characters?
(a) Heterozygous
(b) Homozygous
(c) Codominant genes
(d) Allelomorphs

Answer

Answer: (d) Allelomorphs

MCQs on Peroxisomes for NEET 2023

by
MCQs on Peroxisomes for NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Peroxisomes Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Peroxisomes

1. These activities are characteristics of peroxisomes
I. Catalase activity
II. Possess a glyoxylate cycle
III. Degradation of very long chain fatty acids
IV. Produce dihydrogen
(a) I and II
(b) I and III
(c) III and IV
(d) II and IV

Answer

Answer: (b)

2. Pick the odd one out in context of their surrounding membrane systems
(a) Mitochondria
(b) Chloroplasts
(c) Endoplasmic reticulum
(d) Nucleus

Answer

Answer: (c)

3. Pick the odd one out
(a) Glycosomes
(b) Mitochondria
(c) Hydrogenosomes
(d) Mitosomes

Answer

Answer: (a)

4. This organelle is involved in lipid metabolism
(a) RER
(b) SER
(c) Golgi apparatus
(d) Peroxisomes

Answer

Answer: (b)

5. The organelle helping in penetrating of sperm into egg during fertilization is
(a) peroxisome
(b) nucleus
(c) lysosome
(d) mitochondrion

Answer

Answer: (c)

6. Inside the cell, H2O2 clearance is brought about by
(a) Peroxisome with enzyme amino oxidase
(b) Glyoxysome with enzyme catalase
(c) Peroxisome with enzyme catalase
(d) Glyoxysome with enzyme isocitrate lyase

Answer

Answer: (c)

7. Organelle – Glyoxysomes is involved in
(a) conversion of fatty acids to lipids
(b) conversion of amino acids to carbohydrates
(c) conversion of fatty acids to carbohydrates
(d) conversion of amino acids to proteins

Answer

Answer: (c)

8. This forms the crystalline core inside peroxisome
(a) condensed ammonium chloride
(b) salt crystals
(c) highly condensed oxidative enzymes
(d) collection of phospholipids

Answer

Answer: (c)

9. The name of the group of proteins in the peroxisomal membrane is
(a) Peroxins
(b) Transporters
(c) Translocation proteins
(d) Peroxisomal membrane proteins

Answer

Answer: (a)

10. This enzyme embedded in the peroxisomal membrane is responsible to activate fatty acids before undergoing beta-oxidation.
(a) Fatty acid dehydrogenase
(b) 3-ketothiolase
(c) Acyl- CoA oxidase
(d) Acyl – CoA synthase

Answer

Answer: (d)

MCQs on Spirogyra

by
MCQs on Spirogyra for NEET

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Spirogyra Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Spirogyra

1. Find the incorrect match
(a) Nostoc – water blooms
(b) Basidiomycetes – puffballs
(c) Spirogyra – motile gametes
(d) Sargassum – Chlorophyll

Answer

Answer: (c)

2. Which of the following does not have a sexual mode of reproduction?
(a) Volvox
(b) Spirogyra
(c) Nostoc
(d) Ulothrix

Answer

Answer: (c)

3. Spirogyra belongs to which of the following classes?
(a) Chlorophyceae
(b) Phaeophyceae
(c) Cyanophyceae
(d) Rhodophyceae

Answer

Answer: (a)

4. Which of the following is false about Spirogyra?
(a) nucleolus is complex
(b) heterothallism
(c) each chloroplast contains a single pyrenoid
(d) chromosomes are polycentric

Answer

Answer: (c)

5. The ladder-like structure formed in Spirogyra is the result of
(a) Asexual reproduction
(b) Direct conjugation
(c) Lateral conjugation
(d) Scalariform conjugation

Answer

Answer: (d)

6. Ribbon-shaped chloroplast is the characteristic feature of
(a) Spirogyra
(b) Chlamydomonas
(c) Riccia
(d) Ulothrix

Answer

Answer: (a)

7. The type of sexual reproduction in Spirogyra is
(a) isogamous
(b) anisogamous
(c) oogamous
(d) cleistogamous

Answer

Answer: (a)

8. In Spirogyra, pyrenoids are present in
(a) cell wall
(b) cytoplasm
(c) nucleus
(d) chloroplast

Answer

Answer: (d)

9. Spirogyra reproduce sexually by
(a) fragmentation
(b) conjugation
(c) somatogamy
(d) akinetes formation

Answer

Answer: (b)

10. Which of the following is also known as pond silk
(a) Ulothrix
(b) Spirogyra
(c) Nostoc
(d) Anabaena

Answer

Answer: (b)