What is biology?



1. Which of the following groups of animals do not posses a nervous system?

A. Porifera B. Cnidaria C. Platyhelminthes
D). Nematoda

answer is A


2. The structural similarities in Paramecium and Euglena are

A . Shape of locomotory organs
B. blunt anterior and pointed posterior
C. presence of micro and mega nuclei in both
D. presence of anterior and posterior contractile vacuoles

answer is B


3. Which ofthe following organisms cannot exist freely on its own?

A. Chlamydomonas 13. Amoeba C. Paramecium
D). Plasmödium
answer is D


4. The organisms that can carry out both autotrophic and heterophic modes of nutrition is
A. Chlalmydomonas B. Eudorina C. Euglcna
D. Spirogyra
answer is C


5. Which of the following actions does not occur during
exhalation in man?

A. Thoracic cavity decreases in volume
B. Diaphragm tightens
C. Ribs move down and in
D. Air pressure increases in the thoracic cavity

answer is B


6. Deamination of amino acids in the liver produces

A. blo0d sugar B. glycogen C. bile D). urea

answer is D

7. Which ofthe following glands also serves as an exocrine gland?
A. Ovary B. Pancreas C. Adrenal D. Thyroid
answer is B

8. Which of the following groups of organisms do not have members that can be called autotrophs?
A. Prolists B Mosses C. Chlorophyta D Fungi

answer is D

9. Which of the following materials is not easily biodegradable?
A Polythene bag B. Cotton bag C. Hide and Skin bag D). Paper bag
answer is A


10. Which of the following pairs of organisms is in a
mutualistic relationship?
A. Hydra and Sea anemone
B Hermit crab and Sea anemone
C. Doddcr plant and Cocoa plant
D Mistletoe arid Kolanut

answer is B


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