NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1241 - 1247 of 3511

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Question number: 1241

» Cell Structure and Function » Cell Organelles - Structure and Function » Ribosomes

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MCQ▾

Question

The larger sub-unit in 80 S ribosome is

Choices

Choice (4) Response

a.

50 S

b.

40 S

c.

60 S

d.

0 S

Question number: 1242

» Genetics and Evolution » Heredity and Variation » Chromosomal Disorders in Humans

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MCQ▾

Question

Barr bodies (seen in saliva test in Olympic games) are found in human and are associated with

Choices

Choice (4) Response

a.

Female sex chromosome

b.

Male sex chromosome

c.

Female autosome

d.

Male autosome

Question number: 1243

» Ecology and Environment » Ecosystem » Patterns, Components

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MCQ▾

Question

The side effects of heavy and constant grazing is that the

Choices

Choice (4) Response

a.

Upper layer of the soil are loosened and are eroded.

b.

Lower compact layer makes root penetration difficult.

c.

All the above.

d.

Lower layer are made more compact and root respiration is interfered with.

Question number: 1244

» Human Physiology » Neural Control and Coordination » Central Nervous System

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MCQ▾

Question

The spinal cord extends from the brain through

Choices

Choice (4) Response

a.

Anterior commissure

b.

Iter

c.

Foramen magnum

d.

Foramen of monro

Question number: 1245

» Human Physiology » Neural Control and Coordination » Endocrine System-Hypothalamus, Pituitary, Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads

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MCQ▾

Question

The intermediate lobe of the pituitary gland produced a secretion which causes a dramatic darkening of the skin of many fishes, amphibians and reptiles. It is

Choices

Choice (4) Response

a.

ACTH

b.

LH

c.

FSH

d.

MSH

Question number: 1246

» Diversity in Living World » Five Kingdom Classification » Plant Group - Pteridophytes

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MCQ▾

Question

Seed habit originated firstly in some

Choices

Choice (4) Response

a.

monocots

b.

dicots

c.

pines

d.

pteridophytes

Question number: 1247

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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MCQ▾

Question

While experimenting with the factor of tallness in Pisum satinum, Mendel obtained the results 73.97 % tall and 26.03 % dwarf from one of the cross. This shows that the parents are

Choices

Choice (4) Response

a.

Hybrid tall and pure dwarf plant.

b.

Pure tall and pure dwarf plant.

c.

Hybrid and hybrid tall plant.

d.

Hybrid tall and pure tall plant.