AIIMS (All India Institute of Medical Sciences) Biology: Questions 146 - 151 of 467

Access detailed explanations (illustrated with images and videos) to 467 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 300.00 or

How to register?

Question number: 146

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

Edit
MCQ▾

Question

Which statement is false:

Choices

Choice (4)Response

a.

Pollens are received by stigma

b.

Pollen kitt is absent on pollen grains of Capsella

c.

Pollen tube discovered by Amici

d.

Tigellum is the main axis of embryo

Question number: 147

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

Edit
MCQ▾

Question

Helobial endosperm is restricted usually to

Choices

Choice (4)Response

a.

Dicotyledons

b.

Gymnosperm

c.

Monocotyledons

d.

Question does not provide sufficient data or is vague

Question number: 148

» Plant Physiology » Plant Growth and Development » Seed Germination

Edit
MCQ▾

Question

Which of the following is not essential for the germination of seeds

Choices

Choice (4)Response

a.

Light

b.

H2O

c.

Temperature

d.

O2

Question number: 149

» Plant Physiology » Plant Growth and Development » Seed Dormancy

Edit
MCQ▾

Question

The chemical which can break bud dormancy by its spray:

Choices

Choice (4)Response

a.

Thiourea

b.

2,4 D

c.

Zeatin

d.

IAA

Question number: 150

» Biology and Human Welfare » Health and Disease » Basic Concepts of Immunology-Vaccines

Edit

Appeared in Year: 2004

MCQ▾

Question

The treatment of snake-bite by antivenin is an example of

Choices

Choice (4)Response

a.

Specific natural immunity

b.

Artificially acquired passive immunity

c.

Artificially acquired active immunity

d.

Naturally acquired passive immunity

Question number: 151

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

Edit

Appeared in Year: 2001

MCQ▾

Question

In angiosperms, endosperm is formed by: - [UP CPMT]

Choices

Choice (4)Response

a.

Division of fused polar nuclei

b.

Division of fused synergids and male gamete

c.

Division of fused polar nuclei and male gamete

d.

Free nuclear divisions of megaspore

Developed by: