Botany Objective Questions and Answers

Botany Objective Questions

These Botany Objective Questions will help you in exams like SSC, Banking, State PSCs and most importantly in the medical exam (NEET).

You can practice these objectives questions and analyze your preparation for the respective examinations.

1. Fixation of nitrogen in the soil is done by-

A. Protozoa

B. Bacteria

C. Virus

D. Fungi

Click for Answer/Explanation

Correct Answer is B

Nitrogen Fixation Bacteria

Diazotrophs are a diverse group of prokaryotes that includes cyanobacteria, green sulfur bacteria, and diazotrophs Azotobacteraceae, rhizobia, and Frankia

2. Mycology is the study of-

A. Fungi

B. Virus

C. Rhizobium

D. Hydrilla

Click for Answer/Explanation

Correct Answer is A

Fungi is the right answer.

3. Which one of the following terms describes not only the physical space occupied by an organism but also its functional role in the community of organisms?

A. Habitat

B. Environment

C. Home range

D.  Ecological niche

Click for Answer/Explanation

Correct Answer is D

Ecological niche.

The notion of ecological niche is central to ecological biogeography, which focuses on spatial patterns of ecological communities.

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4. Which one of the following is not a kind of cell of xylem tissue-

A. Tracheae

B. Tracheids

C. Companion Cells

D. Wood Fibers

Click for Answer/Explanation

Correct Answer is C

Companion Cells

5. Longitudinal half of the chromosome is called-

A. Chromatid

B. Chromatin

C. Chromosome

D. Nucleosome

Click for Answer/Explanation

Correct Answer is A

A chromatid is one copy of a newly copied chromosome. Before replication, one chromosome is composed of one DNA molecule. Following replication, each chromosome is composed of two DNA molecules.

Chromatid pairs are normally genetically identical and said to be homozygous

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