Zoology - Online Test
Q1. Action plans and programmes to attain total reproductive health called family planning were initiated in India in.
Answer : Option D
Explaination / Solution:
The first action plan to attain total reproductive health called family planning was initiated in 1951 in India after independence.
Q2. The epithelium found in proximal convoluted tubule (PCT) of nephron in the kidney is
Answer : Option A
Explaination / Solution:
The cuboidal epithelium is composed of a single layer of cube-like cells found in ducts of glands and tubular parts of nephrons in kidneys and its main functions are secretion and absorption.
Q3. Who divided animals into two group based on the presence and absence of red blood cells?
Answer : Option D
Explaination / Solution:
Aristotle used simple morphological characters to classify plants into trees, shrubs and herbs. He also divided animals into two groups, those which had red blood and those that did not.
Q4.
Match the following :
| Hormone | Nature |
| a) Parathormone | i) Polypeptide |
| b) Oxytocin | ii) Amino acid Derivative |
| c) Sex hormone | iii) Peptide |
| d) Norepinephrine | iv) Steroid |
Answer : Option C
Explaination / Solution:
Parathormoneis a polypeptide hormone. Oxytocin is peptide hormone. Sex hormone is a steroid hormone and Norepinephrine is a amino acid derivative.
Q5. Interactions between different species living within a particular area may be:
Answer : Option B
Explaination / Solution:
Interactions between different species living within a particular area may be useful as in case of mutualism, fatal as in case of parasitism or neutral in which no one is harmed.
Q6. _____ from pharynx is conveyed into oesophagus by _____ .
Answer : Option A
Explaination / Solution:
The bolus is then conveyed into the pharynx and then into the oesophagus by swallowing or deglutition.
Q7. Goitre can occur as a consequence of all the following except
Answer : Option B
Explaination / Solution:
Goitre is a deficiency disease that occurs due to less secretion of hormone thyroxin. Less or no secretion of this hormone may occurs due to iodine deficiency, pituitary adenoma and Grave’s disease.
Q8. Complete the following hierarchical chart showing parts of nervous system :
Answer : Option B
Explaination / Solution:
Human nervous system consists of central nervous system and peripheral nervous system. Peripheral nervous system includes 12 pairs of cranial nerves emerging from brain and 31 pairs of spinal nerves arising from spinal nerve.
Q9. The most recent and accepted model of plasma membrane is
Answer : Option A
Explaination / Solution:
Fluid-Mosaic model is the most recent and accepted model of plasma membrane. This model was proposed by Singer and Nicolson in 1972. The quasi-fluid nature of lipid enables lateral movement of proteins with in the overall bilayer.
Q10. The term gene was coined by
Answer : Option D
Explaination / Solution:
The term gene was coined by Johannsen in 1909. He defined gene to be elementary unit of inheritance that specifies the expression of a particular trait.
