NEET Biology: Questions 250 - 256 of 3146

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Question number: 250

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

MCQ▾

Question

If all the ribosomes of a cell are destroyed

Choices

Choice (4) Response
a.

Photosynthesis will not occur.

b.

Protein will not be formed.

c.

Fat will not be stored.

d.

Respiration will not takes place.

Question number: 251

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

MCQ▾

Question

Which of the disease is not transmitted by house flies?

Choices

Choice (4) Response
a.

Cholera

b.

Dysentery

c.

Yellow fewer

d.

Typhoid

Question number: 252

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

MCQ▾

Question

Agar-agar is obtained from

Choices

Choice (4) Response
a.

gelidium

b.

gigartina

c.

gracillaria

d.

all of these

Question number: 253

» Plant Physiology » Mineral Nutrients » Essential Minerals

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Iron

b.

Zinc

c.

Potassium

d.

Sodium

Question number: 254

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Malpighian tubules, nephridia, kidney

b.

Nephridia, kidney, green gland.

c.

Nephridia, malpigian tubules, kidney.

d.

Skin, malpighian tubules, kidney

Question number: 255

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Anterior pituitary

b.

Posterior pituitary

c.

Pineal

d.

Adrenal cortex

Question number: 256

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

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 vegetative cell has not been damaged.

c.

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

d.

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

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