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Q:

Only male frog produce croacking sound because ____

A) Female frog have no larynx B) Female frog have larynx but no vocal cord
C) Male frog have three pair of vocal cord D) Male frog can magnify their voice with the help of sound box
 
Answer & Explanation Answer: A) Female frog have no larynx

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Filed Under: Biology

Q:

The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____

A) Lignin and suberin B) Suberin and cutin
C) Cellulose and pectin D) Chitin and lignin
 
Answer & Explanation Answer: C) Cellulose and pectin

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Q:

In plant body, the water and minerals are transported by _______

A) Bast B) Collenchyma
C) parenchyma D) Xylum
 
Answer & Explanation Answer: D) Xylum

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Q:

The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

A) Protein and amino acids B) Lipids
C) Carbohydrates D) Amino acids
 
Answer & Explanation Answer: A) Protein and amino acids

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Q:

The leaves used as wrappers for bides are obtained from which one of the following ?

A) Shikakai B) Rudraksha
C) Tendu D) Lemon grass
 
Answer & Explanation Answer: C) Tendu

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Q:

Function of Leghaemoglobin in nitrogen fixation _____

A) Absorption of oxygen B) Nutrion of bacteria
C) Absorption of light D) All
 
Answer & Explanation Answer: A) Absorption of oxygen

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Q:

Some species of which of the below kinds of organisms are employed as biopesticides?

1.Bacteria          2. Fungi       3. Flowering plants

A) 1 only B) 2 and 3 only
C) 1 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: A) 1 only

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Q:

In exo-biology we study about ________

A) External structure of living beings B) Life present on the earth
C) Life present in the other layer of earth atmosphere D) Life found in space and on other satellite
 
Answer & Explanation Answer: D) Life found in space and on other satellite

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Filed Under: Biology