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Biology - Questions and AnswersPage 23

221.

If father have blood group A and mother have blood group O which one of following blood group may present in their son?
(a)B
(b)AB
(c)O
(d)B, AB and O
Comment
Answer is: CNA

222.

Arteries supplying blood to the heart are called
(a)Carotid arteries
(b)Coronary arteries
(c)Hepatic arteries
(d)Pulmonary arteries
Comment
Answer is: BNA

223.

A person with AB blood group is sometimes called a universal recipient because of the
(a)Lack of antigen in his blood
(b)Lack of antibodies in his blood
(c)Lack of both antigen and antibodies in his blood
(d)Presence of antibodies in his blood
Comment
Answer is: BNA

224.

In which organ of the human body are the lymphocytes cells formed?
(a)Liver
(b)Pancreas
(c)Long bone
(d)Spleen
Comment
Answer is: CNA

225.

Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?
(a)Cerebellum
(b)Medulla oblongata
(c)Cerebrum
(d)Pones
Comment
Answer is: BNA

226.

Centre of reflex action
(a)Cerebrum
(b)Cerebellum
(c)Spinal cord
(d)Nerve cell
Comment
Answer is: CNA

227.

Number of spinal nerve is
(a)10 pairs
(b)12 pairs
(c)15 pairs
(d)None of these
Comment
Answer is: DNA

228.

Lifesaving hormone is
(a)Adrenal
(b)Pituitary
(c)Thyroid
(d)All of the above
Comment
Answer is: ANA

229.

Insulin is a kind of
(a)Salt
(b)Hormone
(c)Enzyme
(d)Vitamin
Comment
Answer is: BNA

230.

Which of the following is female sex hormone?
(a)Oestrogen
(b)Androgene
(c)Auxin
(d)Insulin
Comment
Answer is: ANA

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