NEET Biology: Questions 1242 - 1247 of 3146

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Question number: 1242

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

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 autosome

b.

Male sex chromosome

c.

Female sex chromosome

d.

Male autosome

Question number: 1243

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

The side effects of heavy and constant grazing is that the

Choices

Choice (4) Response
a.

Lower compact layer makes root penetration difficult.

b.

Upper layer of the soil are loosened and are eroded.

c.

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

d.

All the above.

Question number: 1244

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

MCQ▾

Question

The spinal cord extends from the brain through

Choices

Choice (4) Response
a.

Foramen magnum

b.

Foramen of monro

c.

Anterior commissure

d.

Iter

Question number: 1245

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

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.

LH

b.

ACTH

c.

MSH

d.

FSH

Question number: 1246

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

MCQ▾

Question

Seed habit originated firstly in some

Choices

Choice (4) Response
a.

pines

b.

monocots

c.

dicots

d.

pteridophytes

Question number: 1247

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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 and hybrid tall plant.

b.

Hybrid tall and pure dwarf plant.

c.

Pure tall and pure dwarf plant.

d.

Hybrid tall and pure tall plant.

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