Diversity in Living World (NEET Biology): Questions 822 - 826 of 1062

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Question number: 822

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

Appeared in Year: 2004

MCQ▾

Question

A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is [CBSE PM/PD]

Choices

Choice (4) Response
a.

Nostoc

b.

Chlorella

c.

Tolypothhx

d.

Anabaena

Question number: 823

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

Appeared in Year: 2004

MCQ▾

Question

Which of the following propagates through leaf-tip? [CBSE PM/PD]

Choices

Choice (4) Response
a.

Marchantia

b.

Moss

c.

Sprout-leaf plant

d.

Walking fern

Question number: 824

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

Appeared in Year: 2005

MCQ▾

Question

Auxospores and Hormocysts are formed, respectively, by: [CBSE PM/PD]

Choices

Choice (4) Response
a.

Some cyanobacteria and many diatoms

b.

Several cyanobacteria and several diatoms

c.

Some diatoms and several cyanobacteria

d.

Several diatoms and a few cyanobacteria

Question number: 825

» Diversity in Living World » What Is Living? » Concept of Species and Taxonomical Hierarchy

Appeared in Year: 2005

MCQ▾

Question

Which of the following is not true for a species? [CBSE PM/PD]

Choices

Choice (4) Response
a.

Gene flow does not occur between the populations of a species

b.

Variations occur among members of a species

c.

Members of a species can interbreed

d.

Each species is reproductively isolated from every other species

Question number: 826

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

Appeared in Year: 2005

MCQ▾

Question

Top-shaped multiciliate male gametes, and the mature seed which bears only one embryo with two cotyledons, are characteristic features of: [CBSE PM/PD]

Choices

Choice (4) Response
a.

Cycads

b.

Polypetalous angiosperms

c.

Gamopetalous angiosperms

d.

Conifers

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