Final stage in maturation of spermatozoa

Basic Zoology Questions with Answers | General Science MCQ | Page 5

Basic Zoology Questions with Answers form a key part of general science aptitude questions and answers sections in competitive exams like RRB, SSC, and UPSC. This topic covers animal classification, physiology, reproduction, and adaptations. Practicing these science aptitude questions with explanations enhances conceptual clarity and boosts performance in exams. Zoology is an integral part of biological sciences, and understanding its basics improves analytical thinking in scientific contexts. Download Basic Zoology aptitude questions with solutions PDF or practice online to test your subject knowledge effectively.

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Q41

In glycosuria disorder, urine contains-

A Amino acid
B Inorganic ions
C Glucose
D Epithelial cells

Answer: Option C

Q42

Mammillary bodies are attached to the ventral side of-

A Olfactory lobe
B Cerebral hemisphere
C Diencephalon
D Medulla oblongata

Answer: Option C

Explanation: A pair of small rounded bodies, the mammillary bodies lie behind the infundi-bulum in Diencephalon.

Q43

Argentaffin cells are associated with-

A Tumour
B Heart muscle
C Pericardium
D Pelvis of kidney

Answer: Option A

Explanation: Argentaffinoma is tumour, having argentaffin cells.

Q44

Sweating on palm and sole due to psychic stimuli is called-

A Bradykinin
B Blushing
C Cold sweat
D None of these

Answer: Option C

Q45

Inherited Rh gene is found in-

A Rh+ individuals
B Rh– individuals
C AB blood group individuals
D O blood group individuals

Answer: Option A

Q46

The ‘soft spot’ on the top of an infant’s skull is called-

A Suture
B Fontanel
C Ligament
D Fascia

Answer: Option B

Explanation: In a newborn infant, the bones of the skull are still developing and these are relatively wide spaces between them. The spaces contain tough sheets of connective tissue that connect the bones and are called fontanels.

Q47

Concentration of carbonic acid does not increase in blood due to the presence of-

A Na+
B K+
C Ca++
D Mg++

Answer: Option A

Q48

Staph food poisoning is related with-

A Salmonella bacteria
B Clostridium bacteria
C Staphylococcus bacteria
D None of these

Answer: Option C

Explanation: Staph food poisoning, once known as ptomaine poisoning, results from toxins produced by Staphylococcus bacteria growing on food.

Q49

Capacitation is-

A Final stage in maturation of spermatozoa
B Final stage in fertilization
C Maturation of ovum
D All of these

Answer: Option A

Explanation: Capacitation is the final stage in maturation of mammalian spermatozoa, without which they cannot engage in fertilization.

Q50

Which of the following organisations issue the rules of global trade ?

A World Bank
B World Trade Organisation
C Foreign Exchange Dealers’ Association
D Directorate General and Foreign Trade

Answer: Option B

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Basic Zoology Questions and Answers

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