NEET Biology: Questions 298 - 304 of 3146

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Question number: 298

» Ecology and Environment » Ecosystem » Ecological Services-Carbon Fixation, Pollination, Oxygen Release

MCQ▾

Question

Burning of fossil fuels affects

Choices

Choice (4) Response
a.

Phosphorus cycle

b.

Nitrogen cycle

c.

Carbon cycle

d.

Water cycle

Question number: 299

» Ecology and Environment » Environmental Issues » Radioactive Waste Management

MCQ▾

Question

Zone of atmosphere near the ground is called

Choices

Choice (4) Response
a.

Troposphere

b.

Mesosphere

c.

Stratosphere

d.

Homosphere

Question number: 300

» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony

MCQ▾

Question

Despite high level of heterozygosity, the progeny derived from seed of a cross pollinated plant was found to be completely uniform. One reason for this may be the phenomenon of

Choices

Choice (4) Response
a.

Parthenocarpy

b.

Induced mutation

c.

polyploidy

d.

Apomixes

Question number: 301

» Biology and Human Welfare » Health and Disease » Parasites Causing Human Diseases

MCQ▾

Question

‘Chicken pox’ is caused by

Choices

Choice (4) Response
a.

Varicella virus

b.

Bacteriophage T-2

c.

Adeno virus

d.

SV-40 virus

Question number: 302

» Reproduction » Reproduction in Organisms » Vegetative Propagation in Plants

MCQ▾

Question

Seedless fruits in Vitis are formed due to

Choices

Choice (4) Response
a.

Double fertilization

b.

Parthenocarpy

c.

Sterility

d.

Syngamy

Question number: 303

» Human Physiology » Locomotion » Skeletal System and Its Functions

MCQ▾

Question

Sutural joints are found between

Choices

Choice (4) Response
a.

Humerus and radio-ulna.

b.

Parietal of skull.

c.

Glenoid cavity and pectoral girdle.

d.

Thumb and metatarsal.

Question number: 304

» Human Physiology » Neural Control and Coordination » Reflex Action

MCQ▾

Question

One common example of simple reflex is

Choices

Choice (4) Response
a.

Tying your shoe laces while talking to another person and not looking at them.

b.

Crossing the road at a traffic signal.

c.

Closing of eyelids when an object suddenly approaches the eye.

d.

Climbing up a stairs in dark without stumbling.

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