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 Biology Questions

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Q:

The process of taking up a permanent shape, size and function to form a permanent tissue is called

A) formation B) differentiation
C) unification D) calcification
 
Answer & Explanation Answer: B) differentiation

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Q:

Syngamy results information of 

A) haploid zygote B) diploid zygote
C) non-motile male gametes D) motile male gametes
 
Answer & Explanation Answer: B) diploid zygote

Explanation:

Syngamy, also known as fertilisation occurs between the male and female gametes. Syngamy may occur either externally, outside the body of organisms or internally, inside the body. Syngamy leads to formation of a specialised cell called diploid zygote.

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Q:

The male sex organs in a flower is the __________.

A) Zoospores B) stamen
C) pistil D) Chlorophyceae
 
Answer & Explanation Answer: B) stamen

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Q:

______ are details of appearance or behavior or in other words, a particular form or a particular function in classification of organisms.

A) Speciation B) Evolution
C) Characteristics D) Illustration
 
Answer & Explanation Answer: C) Characteristics

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Q:

Which type of epithelium is removed with a buccal swab?

Answer

The stratified squamous epithelial cells or the outer layer of epidermis is removed with a buccal swab.

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Q:

Ethylene is a ______ molecule.

A) polar B) ionic
C) covalent D) nonpolar
 
Answer & Explanation Answer: D) nonpolar

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Q:

When a chromosome undergoes a deletion mutation information is

A) Repeated B) Lost
C) Reversed D) Transferred
 
Answer & Explanation Answer: B) Lost

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Q:

What is the basis of first level of classification among plants?

A) Differentiated plant body B) Specialised tissues
C) Ability to bear seeds D) No option is correct
 
Answer & Explanation Answer: A) Differentiated plant body

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