NEET Archives

MCQs On Hormonal Control Digestion

November 9, 2023November 4, 2023 by Kishen

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 Hormonal Control Digestion Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Hormonal Control Digestion

1. Enterogastrone is
(a) hormone secreted by intestinal mucosa
(b) hormone secreted by mucosa
(c) secreted by endocrine glands related to digestion
(d) hormone secreted by gastric mucosa

Answer

Answer: (a)

2. Juice containing sodium glycocholate is secreted under the influence of
(a) enterogastrone
(b) cholecystokinin
(c) enterokinin
(d) secretin

Answer

Answer: (b)

3. Gall bladder contractions and Pancreatic secretion are triggered by
(a) enterogastrone
(b) enterocrinin
(c) gastrin
(d) cholecystokinin

Answer

Answer: (d)

4. Cholecystokinin hormone which is released from the intestinal epithelium triggers
(a) release of bile from gallbladder
(b) conversion of protein to peptones
(c) conversion of fats into glycerol
(d) secretion of pancreatic juice

Answer

Answer: (a)

5. The hormone secretin triggers
(a) gallbladder
(b) pancreas
(c) crypts of Lieberkuhn
(d) stomach

Answer

Answer: (b)

6. This regulates the enzymatic quantity in pancreatic juice
(a) Cholecystokinin
(b) Gastrin
(c) Pancreozymin
(d) Secretin

Answer

Answer: (c)

7. In a mammal, the release of pancreatic juice from the pancreas is triggered by
(a) cholecystokinin
(b) trypsinogen
(c) secretin
(d) enterokinase

Answer

Answer: (c)

8. This body part secretes secretin hormone
(a) Oesophagus
(b) Ileum
(c) Duodenum
(d) Stomach

Answer

Answer: (c)

9. The hormone gastrin is secreted by
(a) pancreas
(b) liver
(c) stomach
(d) intestine

Answer

Answer: (c)

10. Secretion of gastric juice is controlled by
(a) cholecystokinin
(b) gastrin
(c) enterogastrone
(d) none of the above

Answer

Answer: (b)

Species Diversity Questions With Answers

November 9, 2023November 4, 2023 by Kishen

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 Species Diversity Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Species Diversity

1. The following practice has led to the maximum damage to the diversity of Indian forests
(a) Block cutting
(b) Selective harvesting
(c) Jhum cultivation
(d) Taungya cultivation

Answer

Answer: (c)

2. Plant species on the verge of extinction as a result of over-exploitation is
(a) Gloriosa
(b) Centella
(c) Podophyllum
(d) All of the above

Answer

Answer: (c)

3. This endangered animal is the source of the world’s finest, lightest, warmest and the most expensive wool – the shahtoosh
(a) Cheetal
(b) Kashmiri goat
(c) Nilgai
(d) Chiru

Answer

Answer: (d)

4. This group of vertebrates comprises of the highest number of endangered species
(a) Fishes
(b) Birds
(c) Reptiles
(d) Mammals

Answer

Answer: (d)

5. Indri-indri lemur is found in
(a) India
(b) Sri lanka
(c) Madagaskar
(d) Mauritius

Answer

Answer: (c)

6. This is not under situ conservation
(a) Botanic Garden
(b) National park
(c) Statuary
(d) Biosphere reserve

Answer

Answer: (a)

7. One of the endangered species of the Indian medicinal plants is
(a) Garlic
(b) Ocimum
(c) Nependenthes
(d) Podophyllum

Answer

Answer: (d)

8. Siberian crane is a regular visitor of bird sanctuary
(a) Bharatpur (Rajasthan)
(b) Ranaganathittu (Karnataka)
(c) Lalbagh (Karnataka)
(d) Vedanthangal (T.N)

Answer

Answer: (a)

9. Sacred groves are useful in
(a) Preventing soil erosion
(b) generating environmental awareness
(c) conservation rare and threatened species
(d) year-round flow of water in rivers

Answer

Answer: (c)

10. Species very near to extinction if conservation measures are promptly not take up are
(a) Rare species
(b) threatened species
(c) endangered species
(d) vulenrable species

Answer

Answer: (c)

MCQs on Amoeba for NEET 2023

November 9, 2023November 4, 2023 by Kishen

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 Amoeba Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Amoeba

1. This is not the locomotory organ of protozoa
(a) Flagella
(b) Cilia
(c) Parapodia
(d) Pseudopodia

Answer

Answer: (c)

2. In Amoeba, excretion occurs through
(a) Contractile vacuole
(b) Plasmalemma
(c) Parapodia
(d) Nucleus

Answer

Answer: (b)

3. Kingdom Protista includes
(a) Amoeba, Euglena, Pseudomonas
(b) Amoeba, Euglena, Escherichia
(c) Amoeba, Euglena, Penicillium
(d) Amoeba, Euglena, Chlamydomonas

Answer

Answer: (d)

4. Entamoeba differs from amoeba in not having
(a) Pseudopodia
(b) Nucleus
(c) Contractile vacuole
(d) Ectoplasm

Answer

Answer: (c)

5. Amoeba was described in detail by
(a) Aristotle
(b) Rosenhoff
(c) Ronald Ross
(d) Hirshfield

Answer

Answer: (d)

6. In Amoeba, nutrition is
(a) Holozoic
(b) Parasitic
(c) Saprobic
(d) Holophytic

Answer

Answer: (a)

7. Amoeba was discovered by
(a) Twait
(b) Hofkins
(c) Jenner
(d) Rosenhof

Answer

Answer: (d)

8. Living amoeba is
(a) Light green
(b) Pale blue
(c) Translucent
(d) Transparent

Answer

Answer: (c)

9. When touched with needle, Amoeba will
(a) Split instantly
(b) Die
(c) Move away
(d) Develop pseudopodia

Answer

Answer: (c)

10. Posterior end of Amoeba is characterized by
(a) Amphid
(b) Lack of food vacuoles
(c) Uropygium
(d) Plasmid

Answer

Answer: (b)

MCQs on Linkage and Crossing Over For NEET 2023

November 9, 2023November 4, 2023 by Kishen

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 Linkage and Crossing Over Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Linkage and Crossing Over

1. Crossing-over takes place in the
(a) Diakinesis stage
(b) Anaphase stage
(c) Pachytene stage
(d) Leptotene stage

Answer

Answer: (c)

2. There are 4 pairs of chromosomes in a Drosophila. The linkage groups present in it are
(a) one more than the pair of chromosomes
(b) one less than the pair of chromosomes
(c) four
(d) eight

Answer

Answer: (c)

3. Percentage of crossing over is more when
(a) genes are located in a different cell
(b) genes are not linked
(c) linked genes are located close to each other
(d) linked genes are located far apart from each other

Answer

Answer: (d)

4. If the percentage of crossing over between two genes is 10, then the distance between two genes will be
(a) 5 morganoid
(b) 10 morgan
(c) 20 centimorgans
(d) 40 map units

Answer

Answer: (b)

5. Alleles of different genes that are on the same chromosome can occasionally be separated by a phenomenon called
(a) crossing over
(b) continuous variation
(c) epistasis
(d) pleiotropy

Answer

Answer: (a)

6. Repulsion and coupling are two faces of
(a) mutation
(b) chiasmata
(c) linkage
(d) crossing over

Answer

Answer: (c)

7. If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c and d 17 and a and d 19%. The sequence of genes in a chromosome is
(a) a,d,b,c
(b) d,b,a,c
(c) a,b,c,d
(d) a,c,b,d

Answer

Answer: (d)

8. This is the reason why Mendel did not recognize linkage phenomenon in his experiments
(a) he studied only pure plants
(b) he did not have a powerful microscope
(c) characters he studied were situated on different chromosomes
(d) many chromosomes to handle

Answer

Answer: (c)

9. In a linear chromosome map distance between 4 loci is as follows a-b is 10%, a-d is 3%, b-c is 4% and a-c is 6%. The crossover frequency between c and d is
(a) 4-12%
(b) 3-6%
(c) 9%
(d) 3%

Answer

Answer: (d)

10. Where does this evidence come from? – crossing over takes place at a four-stranded stage and not at two stranded stages of chromosomes.
(a) studies on linkage maps of chromosomes in Drosophila
(b) studies of meiosis in maize
(c) 4:4 organization of ascospores in Neurospora
(d) 2:2:2:2 organization of ascospores in Neurospora

Answer

Answer: (d)

MCQs on Neurons Nerve Impulse

November 9, 2023November 4, 2023 by Kishen

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 Neurons Nerve Impulse Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Neurons Nerve Impulse

1. The Myelin sheath is derived from the
(a) Microglia
(b) Neuroglial cells
(c) Schwann cells
(d) Nerve cells

Answer

Answer: (c)

2. Nissl’s granules are found in
(a) Nerve cells
(b) WBC
(c) RBC
(d) Platelets

Answer

Answer: (a)

3. Which of these is a disease of the myelin sheath?
(a) Polio
(b) Leprosy
(c) Multiple sclerosis
(d) Alzheimer

Answer

Answer: (c)

4. This neurotransmitter is not a biogenic amine
(a) Serotonin
(b) Dopamine
(c) Norepinephrine
(d) Neuropeptides

Answer

Answer: (d)

5. A nerve impulse jumps from one __________ to another during saltatory conduction
(a) Synapse
(b) Axon
(c) Node of Ranvier
(d) Myelin sheath

Answer

Answer: (c)

6. ________ are the neurons carrying impulses away from the central nervous system
(a) Efferent nerves
(b) Afferent nerves
(c) Extensors
(d) Sensory nerves

Answer

Answer: (a)

7. This amongst the following is found in muscle cells and nerves
(a) membrane potential
(b) potassium equilibrium potential
(c) resting potential
(d) sodium equilibrium potential

Answer

Answer: (c)

8. Which of these has the highest permeability in a resting nerve cell?
(a) Cl-
(b) Na+
(c) K+
(d) I-

Answer

Answer: (c)

9. For the first time, research on nerve cells was carried out on this organism
(a) Grasshopper
(b) Drosophila melanogaster
(c) Octopus
(d) Giant squid

Answer

Answer: (d)

10. Neurotransmitters can inhibit or excite neurons. _________ for example, is inhibitory whereas __________ is excitatory
(a) GABA; glutamate
(b) Glutamate; GABA
(c) Serotonin; dopamine
(d) None of these

Answer

Answer: (a)

MCQs On ABA and Other Growth Regulators For NEET 2023

November 9, 2023November 4, 2023 by Kishen

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 ABA and Other Growth Regulators Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on ABA and Other Growth Regulators

1. Abscission zone can be induced for formation by
(a) abscisic acid
(b) cytokinins
(c) gibberellins
(d) auxins

Answer

Answer: (a)

2. Presence of this in the seed is linked with dormancy
(a) abscisic acid
(b) gibberellic acid
(c) starch
(d) ethylene

Answer

Answer: (a)

3. Abscisic acid treatment results in
(a) root elongation
(b) stomatal closure
(c) stem elongation
(d) leaf expansion

Answer

Answer: (b)

4. ABA contains
(a) one asymmetric and two symmetric carbon atoms
(b) one symmetric and two asymmetric carbon atoms
(c) one asymmetric carbon atom
(d) one symmetric carbon atom

Answer

Answer: (c)

5. Morphactins are
(a) synthetic auxins
(b) synthetic gibberellins
(c) synthetic growth regulators
(d) none of these

Answer

Answer: (c)

6. Dormin is a
(a) abscisic acid
(b) growth promoter
(c) auxin
(d) none of these

Answer

Answer: (a)

7. This is wound hormone
(a) phyllocaline
(b) auxin
(c) hormone only
(d) necrohormone

Answer

Answer: (d)

8. This is a plant hormone
(a) acetylene
(b) dormin
(c) formalin
(d) all of these

Answer

Answer: (b)

9. This is a naturally occurring growth inhibitor
(a) NAA
(b) IAA
(c) GA
(d) ABA

Answer

Answer: (d)

10. Abscisic acid regulates
(a) leaf fall and dormancy
(b) cell division
(c) cell elongation and cell wall formation
(d) shoot elongation

Answer

Answer: (a)