NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 250 - 256 of 3511

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Question number: 250

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

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MCQ▾

Question

If all the ribosomes of a cell are destroyed

Choices

Choice (4) Response

a.

Respiration will not takes place.

b.

Protein will not be formed.

c.

Fat will not be stored.

d.

Photosynthesis will not occur.

Question number: 251

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

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MCQ▾

Question

Which of the disease is not transmitted by house flies?

Choices

Choice (4) Response

a.

Cholera

b.

Yellow fewer

c.

Typhoid

d.

Dysentery

Question number: 252

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

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MCQ▾

Question

Agar-agar is obtained from

Choices

Choice (4) Response

a.

gracillaria

b.

gigartina

c.

gelidium

d.

all of these

Question number: 253

» Plant Physiology » Mineral Nutrients » Essential Minerals

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MCQ▾

Question

which of the following, one element has not been proved to be essential in plants?

Choices

Choice (4) Response

a.

Zinc

b.

Sodium

c.

Iron

d.

Potassium

Question number: 254

» Human Physiology » Excretory Products and Their Elimination » Modes of Excretion- Ammonotelism, Ureotelism, Uricotelism

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MCQ▾

Question

Correct order of excretory organs in cockroach, earthworm and rabbit respectively are

Choices

Choice (4) Response

a.

Skin, malpighian tubules, kidney

b.

Nephridia, malpigian tubules, kidney.

c.

Malpighian tubules, nephridia, kidney

d.

Nephridia, kidney, green gland.

Question number: 255

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

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MCQ▾

Question

Secretion of which of the following is under neurosecretory nerve axons?

Choices

Choice (4) Response

a.

Pineal

b.

Anterior pituitary

c.

Posterior pituitary

d.

Adrenal cortex

Question number: 256

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

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MCQ▾

Question

Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germinates and produced normal pollen tube because

Choices

Choice (4) Response

a.

Laser beam stimulates pollen germination and pollen tube growth.

b.

The contents of killed generative cell permit germination and pollen tube growth.

c.

The vegetative cell has not been damaged.

d.

The laser beam does not damage the region from which pollen tube emerges.