NEET (National Eligibility cum Medical Entrance Test) Biology: Questions 793 - 798 of 3473

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Question number: 793

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

MCQ▾

Question

An advantage which made seed bearing plants so greatly surpass the ferns in colonzing the land, is the evolution of the

Choices

Choice (4) Response

a.

Fibrous root system.

b.

Woody stem.

c.

Non-swimming sperms.

d.

Ability to photosynthesize.

Question number: 794

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

MCQ▾

Question

An antibody is a

Choices

Choice (4) Response

a.

WBC which invades bacteria

b.

Molecule that specifically inactivates an antigen.

c.

Component of blood

d.

Secretion of mammalian RBC

Question number: 795

» Biology and Human Welfare » Health and Disease » HIV and AIDS

MCQ▾

Question

AIDS virus has

Choices

Choice (4) Response

a.

Single stranded RNA.

b.

Double stranded RNA

c.

Single stranded DNA.

d.

Double stranded DNA.

Question number: 796

» Cell Structure and Function » Cell Organelles - Structure and Function » Mitochondria

MCQ▾

Question

If living cells similar to those found on earth, were found on another planet where there was no oxygen then which cell organelle would most probably be absent?

Choices

Choice (4) Response

a.

Mitochondria

Chromosomes

b.

Ribosomes

c.

Mitochondria

d.

Cell membrane

Question number: 797

» Biotechnology and Its Applications » Genetic Engineering

Appeared in Year: 2003

MCQ▾

Question

The function of polymerase chain reaction (PCR) is

Choices

Choice (4) Response

a.

transcription

b.

DNA amplification

c.

translation

d.

All of the above

Question number: 798

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

MCQ▾

Question

Among the following which is not characteristic feature of bryophyte?

Choices

Choice (4) Response

a.

Photosynthetically independent sporophyte

b.

Motile sperms

c.

Water essential for fertilization

d.

Presence of archaegonium

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