AIIMS Biology: Questions 339 - 345 of 428

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Question number: 339

» Reproduction » Reproduction in Organisms » Binary Fission

MCQ▾

Question

Binary fission is found in

Choices

Choice (4) Response

a.

Planaria

b.

Paramecium

c.

Amoeba

d.

All a. , b. and c. are correct

Question number: 340

» Human Physiology » Neural Control and Coordination » Sense Organs

MCQ▾

Question

Sense of smell is perceived by

Choices

Choice (4) Response

a.

Pituitary body

b.

Hypothalamus

c.

Cerebrum

d.

Olfactory lobe

Question number: 341

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

The ecological pyramid of numbers in pond ecosystem is -

Choices

Choice (4) Response

a.

May upright or Inverted

b.

Inverted

c.

Upright

d.

First upright then inverted

Question number: 342

» Ecology and Environment » Environmental Issues » Agrochemicals and Their Effects

MCQ▾

Question

Which pollutant exhibits biomagnification in food chain

Choices

Choice (4) Response

a.

DDT

b.

PAN

c.

SO2

d.

CO

Question number: 343

» Genetics and Evolution » Molecular Basis of Inheritance

MCQ▾

Question

Which of the following is false?

Choices

Choice (4) Response

a.

Most plant viruses are RNA viruses.

b.

Most animal viruses are DNA viruses.

c.

T4 bacteriophage has double stranded DNA molecule.

d.

TMV has double stranded RNA molecule.

Question number: 344

» Reproduction » Reproduction in Organisms » Modes of Reproduction - Asexual and Sexual

Assertion-Reason▾

Assertion (Ꭺ)

Sexual reproduction is advantageous than asexual reproduction.

Reason (Ꭱ)

It is rapid mode of reproduction while asexual reproduction is show mode of reproduction.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 345

» Ecology and Environment » Biodiversity and Its Conservation » Biodiversity Conservation

Appeared in Year: 2005

MCQ▾

Question

Which one of the following pairs of geographical areas show maximum biodiversity in our country -

Choices

Choice (4) Response

a.

Eastern Ghats and West Bengal

b.

Kerala and Punjab

c.

Sunderbans and Rann of Kutch

d.

Eastern Himalaya and Western Ghats

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