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Q:

In plants, exchange of gases takes place through

A) Stomata B) Palisade tissue
C) Spongy tissue D) mid rib
 
Answer & Explanation Answer: A) Stomata

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Filed Under: Biology

Q:

In electro - magnetic radiation, which of the following has greater wave - length than visible light

A) Ultra -violet rays B) Infra - red rays
C) Cosmic rays D) x-rays
 
Answer & Explanation Answer: B) Infra - red rays

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Filed Under: Biology

Q:

One of the following cannot be performed by animals

A) Respiration B) Photosynthesis
C) Reproduction D) Digestion
 
Answer & Explanation Answer: B) Photosynthesis

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Filed Under: Biology

Q:

Islets of Langerhans are present in

A) Kidney B) Liver
C) Pancreas D) Trachea
 
Answer & Explanation Answer: C) Pancreas

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Filed Under: Biology

Q:

Conversion of Glycogen to Glucose is stimulated by

A) Insulin B) Cortisol
C) Glucagon D) Progesterone
 
Answer & Explanation Answer: C) Glucagon

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Q:

The major centre to receive, analyze and integrate information in body is

A) Heart B) Kidney
C) Pituitary D) Brain
 
Answer & Explanation Answer: D) Brain

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Q:

Which part of Nervous system controls involuntary actions

A) Medulla oblongata B) Cerebellum
C) Hypothalamus D) Spinal cord
 
Answer & Explanation Answer: A) Medulla oblongata

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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

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Filed Under: Biology