Biology Questions

Q:

Nuclear membrane is absent in

A) Volvox B) Penicillium
C) Agaricus D) Nostoc
 
Answer & Explanation Answer: D) Nostoc

Explanation:

Nostoc is a prokaryote. Prokaryotic cells lack membrane bound organelles and well organized nucleus, that is nuclear envelope is absent in these cells.

nuclear_membrane1533030195.jpg image

The nuclear envelope, also known as the nuclear membrane, a bilayer membranes which surrounds the nucleus, and in eukaryotic cells it encases the genetic material.

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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

Explanation:
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Q:

Which of the following is an Autotroph?

A) Fish B) Algae
C) Butterfly D) Mushroom
 
Answer & Explanation Answer: B) Algae

Explanation:

Here from the above options, Algae is an Autotroph.

Autotrophs : 

An Autotroph is also called as Producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.

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Q:

Silviculture is the branch of botany in which we study about

A) Culture of algae B) Development of forest
C) Culture of fungi D) Silciphida plant
 
Answer & Explanation Answer: B) Development of forest

Explanation:
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Q:

The sex of a newborn baby is determined by the chromosome inherited from

A) The Father B) The Mother
C) The Father's Father D) Both A & B
 
Answer & Explanation Answer: A) The Father

Explanation:
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Q:

Which one of the following vitamins is known as the anti sterile factor  ?

A) Ascorbic acid B) Riboflavin
C) Niacin D) Retinol
 
Answer & Explanation Answer: B) Riboflavin

Explanation:
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Q:

Which of the following is a mixed gland

A) Pituitary B) Adrenal
C) Pancreas D) Ovary
 
Answer & Explanation Answer: C) Pancreas

Explanation:
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Q:

Dicotyledonous weeds are destroyed by a chemical called

A) Indole - acetic acid B) 2- 4 dichlorophenoxy acetic acid
C) Abscisic acid D) Naphthalene acetic acid
 
Answer & Explanation Answer: B) 2- 4 dichlorophenoxy acetic acid

Explanation:
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