NEET Archives

MCQs on Double Circulation 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 Double Circulation Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Double Circulation

1. Identify the correct statement
(a) Double circulation is characteristic of all vertebrates
(b) Volume of blood in pulmonary circulation is more than the volume of blood in systemic circulation at any instant
(c) blood pressure in pulmonary circulation is less than that of the systemic circulation
(d) a double aortic arch is seen in birds and mammals

Answer

Answer: (c)

2. The hepatic portal vein drains blood to the liver from
(a) stomach
(b) heart
(c) intestine
(d) kidneys

Answer

Answer: (c)

3. Identify the incorrect statement
(a) occurs only in mammals
(b) occurs in all vertebrates
(c) is composed of systemic circulation
(d) is composed of pulmonary circulation

Answer

Answer: (b)

4. Pick the most appropriate statement(s) as part of explanation for this statement – “Adult human RBCs are enucleate”.
I. Their internal space is available for oxygen transport
II. They are somatic cells
III. They do not need to reproduce
IV. They do not metabolise
(a) Only (I)
(b) Only (II)
(c) (I), (III) and (IV)
(d) (III) and (IV)

Answer

Answer: (a)

5. Blood pressure in the pulmonary artery is
(a) same as that in the aorta
(b) less than that in venae cavae
(c) more than that in the carotid
(d) more than that in the pulmonary vein

Answer

Answer: (d)

6. A stethoscope is used by doctors for cardiac auscultation. The second sound of each cardiac cycle is heard when
(a) AV node receives signal from SA node
(b) Semilunar valves close down after the blood flows into vessels from ventricles
(c) AV valves open up
(d) Ventricular walls vibrate due to gushing in of blood from atria

Answer

Answer: (b)

7. Blood pressure is maximum in mammalian aorta during
(a) diastole of the right ventricle
(b) systole of the left atrium
(c) diastole of the right atrium
(d) systole of the left ventricle

Answer

Answer: (d)

8. A patient admitted to the hospital with myocardial infarction is immediately administered with
(a) Streptokinase
(b) Statins
(c) Cyclosporin – A
(d) Penicillin

Answer

Answer: (a)

9. Systemic circulation in the cardiac system refers to
(a) carry red oxygenated blood
(b) carry blood to the left side of the heart
(c) carry blood to the right side of the heart
(d) carry oxygenated blood from lungs to heart

Answer

Answer: (c)

10. Oxygenated blood in the cardiac system
(a) leaves from right side of the heart
(b) leaves from left side of the heart
(c) enters lungs from heart
(d) does not leave the lungs

Answer

Answer: (b)

MCQs on Auxin

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

MCQs on Auxin

1. Application of ________ can delay abscission of fruits and leaves at early stages
(a) gibberelic acid
(b) ethylene
(c) auxin
(d) cytokinin

Answer

Answer: (c)

2. Flowering can be induced in pineapple by application of
(a) IAA, IBA
(b) NAA, 2,4-D
(c) Phenyl acetic acid
(d) Cytokinin

Answer

Answer: (b)

3. Find the incorrect match
(a) Abscissic acid - Stomatal closure
(b) IAA - Cell wall elongation
(c) Cytokinin - Cell division
(d) Gibberellic acid - Leaf abscission

Answer

Answer: (d)

4. Uneven distribution of _______ results in phototropic curvature
(a) phytochrome
(b) auxin
(c) gibberellin
(d) cytokinin

Answer

Answer: (b)

5. The Avena curvature test is an accurate bioassay for
(a) ABA
(b) GA₃
(c) IAA
(d) Ethylene

Answer

Answer: (c)

6. Which one of these is commonly used synthetic auxin
(a) NAA
(b) IAA
(c) IBA
(d) GA

Answer

Answer: (a)

7. Auxin is transported polarly. Mostly, auxin movement is
(a) acropetal
(b) basipetal
(c) centripetal
(d) both (a) and (c)

Answer

Answer: (b)

8. Removal of apical bud results in
(a) more axillary buds
(b) flowering ceases
(c) more lateral branches
(d) plant growth ceases

Answer

Answer: (c)

9. Commonly applied hormone in tea plantation is
(a) abscisic acid
(b) ethylene
(c) indole-3-acetic acid
(d) zeatin

Answer

Answer: (c)

10. Which of the following combination of hormones will promote differentiation of shoot as well as root in tissue culture?
(a) Gibberellin and abscisic acid
(b) Auxin and abscisic acid
(c) IAA and gibberellin
(d) Auxin and cytokinin

Answer

Answer: (d)

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

MCQs on Salivary Glands

1. The duct of Bartholin is linked with
(a) sublingual glands
(b) maxillary glands
(c) parotid glands
(d) infraorbital glands

Answer

Answer: (a)

2. Largest salivary gland is
(a) submaxillary
(b) parotid
(c) sublingual
(d) infraorbital

Answer

Answer: (b)

3. In rabbits, the number of salivary glands present are
(a) 5 pairs
(b) 4 pairs
(c) 3 pairs
(d) 2 pairs

Answer

Answer: (b)

4. Tongue is attached to the floor of buccal cavity by
(a) falciform ligament
(b) frenulum
(c) lingual papilla
(d) mesentery

Answer

Answer: (b)

5. Salivary glands are absent in
(a) Musca domestica
(b) Blatta orientalis
(c) Anopheles maculipennis
(d) Rana hexadactyla

Answer

Answer: (d)

6. Nuhn’s glands are present on
(a) stomach
(b) tongue
(c) skin
(d) intestine

Answer

Answer: (b)

7. Animals eating own faecal matter are
(a) Detritivorous
(b) Coprophagous
(c) Frugivorous
(d) Sanguivorous

Answer

Answer: (b)

8. Microphagial nutrition takes place in
(a) Hydra
(b) Paramecium
(c) Insects
(d) Euglena

Answer

Answer: (b)

9. Osmotrophy is found in
(a) Taenia
(b) Pila
(c) Palaemon
(d) Asterias

Answer

Answer: (a)

10. The alimentary canal is typically longer in
(a) herbivores
(b) carnivores
(c) insectivores
(d) omnivores

Answer

Answer: (a)

MCQs On Internal Structure of Root Stem and Leaf 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 Internal Structure of Root Stem and Leaf Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Internal Structure of Root Stem and Leaf

1. Collenchymatous hypodermis is characteristics of
(a) Hydrophytes
(b) Monocot and dicot stem
(c) Monocot stem
(d) Dicot stem

Answer

Answer: (d)

2. The lacunae in the vascular bundles of monocot stem is
(a) Metaxylem
(b) A mucilage canal
(c) Lysigenous water cavity
(d) A large sized protoxylem

Answer

Answer: (c)

3. The protoxylem in its midrid bundle in a vertical section of a dorsiventral leaf
(a) is not distinct
(b) faces the ventral epidermis of the leaf
(c) faces the dorsal epidermis of the leaf
(d) is surrounded by metaxylem

Answer

Answer: (c)

4. This is not a characteristic feature of anatomy of dicotyledonous root
(a) Pith little or absent
(b) Secondary growth
(c) Radial vascular bundles
(d) Vascular bundles 15-20

Answer

Answer: (d)

5. Vascular bundles are scattered in
(a) Dicot stem
(b) Dicot root
(c) Bryophytes
(d) Monocot stem

Answer

Answer: (d)

6. The correct situation of mesophyll in isobilateral grass leaf is shown by
(a) Palisade along both the surface
(b) Undifferentiated mesophyll
(c) Palisade towards abaxial surface
(d) Palisade towards adaxial surface

Answer

Answer: (b)

7. Well-developed pith is found in
(a) Monocot root and Dicot stem
(b) Dicot root and Dicot stem
(c) Dicot root and Monocot stem
(d) Dicot and Monocot stems

Answer

Answer: (a)

8. In monocot leaf
(a) Veins form a network
(b) Mesophyll is not differentiated into palisade and spongy parenchyma
(c) Mesophyll is well differentiated into these parts
(d) Bulliform cells are absent from epidermis

Answer

Answer: (b)

9. In orchids, Velamen tissues is found in
(a) Leaves
(b) Root
(c) Flowers
(d) Shoot

Answer

Answer: (b)

10. Polyarch and exarch vascular bundles occur in
(a) Dicot stem
(b) Monocot stem
(c) Dicot root
(d) Monocot root

Answer

Answer: (d)

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

MCQs on Energy Requirement

1. The energy balance in nutrition refers to the
(a) equilibrium between energy intake and energy expenditure
(b) equilibrium of rate of reduction
(c) equation of rate of oxidation
(d) amount of starch in take

Answer

Answer: (a)

2. This provides the greatest energy value per gram of nutrient
(a) protein
(b) fat
(c) carbohydrate
(d) water

Answer

Answer: (b)

3. The following cooking processes does not rely on coagulation taking place
(a) making yoghurt
(b) boiling an egg
(c) whipping cream
(d) frying chips

Answer

Answer: (d)

4. The everyday dietary requirement of an average adult active moderately is approximately
(a) 1000 kcal
(b) 2500 kcal
(c) 4000 kcal
(d) 8000 kcal

Answer

Answer: (b)

5. Caloric values for proteins, carbohydrates and fats are
(a) 80 cal, 40 cal, and 100 cal respectively
(b) 5.65 cal, 4.1 cal, and 9.45 cal respectively
(c) 100 cal, 5.68 cal, and 30 cal respectively
(d) 4.68 cal, 50 cal and 80 cal respectively

Answer

Answer: (b)

6. Among the energy values of nutrients, 9.3 calories is that of
(a) Carbohydrate
(b) Proteins
(c) Vitamins
(d) Fats

Answer

Answer: (d)

7. What is the sequence in which organic compounds are used by the body during prolonged fasting
(a) Carbohydrates first, proteins and then lipids
(b) Carbohydrates first, proteins and then lipids
(c) Proteins first, lipids and then carbohydrates
(d) Fats first, carbohydrates and then proteins

Answer

Answer: (b)

8. An approximate of how much protein does an average adult male require each day?
(a) 240g
(b) 24g
(c) 120g
(d) 72g

Answer

Answer: (d)

9. Mammals can drink water and also derive it from
(a) conversion of oxyhaemoglobin to haemoglobin
(b) breakdown of glycogen into glucose
(c) glucose oxidation
(d) saliva secretion

Answer

Answer: (c)

10. Cooking starch in moist conditions may
(a) oxidize it
(b) caramelize it
(c) gelatinise it
(d) coagulate it

Answer

Answer: (a)

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

MCQs on Plasma Membrane

1. This is not the function of plasma membrane
(a) Energy transduction
(b) Intercellular interactions
(c) Responding to external stimuli
(d) Assisting in chromosome segregation

Answer

Answer: (d)

2. In the carbohydrates, plasma membrane
(a) always faces outwards extracellular space
(b) directed to all sides in the membrane randomly
(c) always faces to the lumen of cells
(d) always faces inward to the nonpolar portion of membrane

Answer

Answer: (a)

3. In the plasma membrane, Glycolipids are usually situated in
(a) cannot be predicted, it varies according to the cell types
(b) inner leaflet of plasma membrane
(c) outer leaflet of plasma membrane
(d) evenly distributed in both outer and inner leaves of plasma membrane

Answer

Answer: (c)

4. The major interaction responsible for stabilizing plasma membrane
(a) hydrophobic interactions
(b) hydrophilic interactions
(c) covalent bonds
(d) ionic bonds

Answer

Answer: (a)

5. In plasma membrane, lipid molecules are arranged in
(a) head parallel
(b) alternate
(c) scattered
(d) series

Answer

Answer: (a)

6. Ion carriers are located in
(a) Plasma membranes
(b) Cell wall
(c) Nucleus
(d) Cellular space

Answer

Answer: (a)

7. In the plasma membrane, the best method to study the properties of integral membrane proteins is
(a) atomic force microscopy
(b) freeze fracture analysis and electron microscopy
(c) cryo-sectioning and electron microscopy
(d) all of the above

Answer

Answer: (b)

8. In plant cell, this layer is present nearest to the plasma membrane
(a) Tonoplast
(b) Middle lamella
(c) secondary wall
(d) primary wall

Answer

Answer: (c)

9. Beet root if kept in cold water anthocyanin does not come out due to plasma membrane
(a) Dead
(b) differentially permeable
(c) permeable to anthocyanins
(d) Impermeable to anthocyanins

Answer

Answer: (d)

10. Plasma membrane is made up of
(a) A protein, a lipid and a cellulose layer
(b) Bimolecular lipid layer surrounded by protein layers
(c) A protein layer between two lipid layers
(d) A lipid layer between two protein layers

Answer

Answer: (b)