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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

Explanation:
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Q:

The outer membrane that covers the brain is

A) Myelin sheath B) Dura mater
C) Arachnoid membrane D) Pia mater
 
Answer & Explanation Answer: B) Dura mater

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:

Tikka disease is related with the crop:

A) Musturd B) Paddy
C) Ground nut D) All of these
 
Answer & Explanation Answer: C) Ground nut

Explanation:
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Q:

The plasma of the blood contains which among the following constituents?

I. Proteins

II. Salts

III. Hormones

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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Q:

The hormone that helps in Parthenocarpy

A) Abscisic acid B) Gibberellin
C) Ethylene D) Cytokinin
 
Answer & Explanation Answer: B) Gibberellin

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Q:

Which of the following is not an Endocrine Gland?

A) Spleen B) Pituitary
C) Thyroid D) Adrenal
 
Answer & Explanation Answer: A) Spleen

Explanation:

Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct.

 

The major glands of the endocrine system include the

pineal gland,

pituitary gland,

pancreas,

ovaries,

testes,

thyroid gland,

parathyroid gland,

hypothalamus and

adrenal glands.

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Q:

Vivipary is defined as germination

A) during storage B) within the fruit
C) with cotyledons coming out of soil D) with cotyledons remaining inside the soil
 
Answer & Explanation Answer: B) within the fruit

Explanation:

Vivipary means germination even when attached to the mother plant. Usually the saline marsh plants (Halophytes) have their seeds growing even when they are inside the fruits attached to the tree.

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