1.Which of the following organisms is not classified as an animal? (a) Amoeba (b) paramecium...

1.Which of the following organisms is not classified as an animal? (a) Amoeba (b) paramecium (c) Euglena (d) Obelia
2.An organism that operates at the cellular level carries out its physiological activities by using its (a) cell membrane (b) organelles (c) vacuoles (d) cytoplasm
3.The organelle which eliminates water from the body of a protozoan is the (a) plasma membrane (b) contractile vacuole (c) nucleus (d) cell wall
4.Which of the cell types has the least number of mitochondria? (a) cardiac cells (b) cells of the cornified layer (c) muscle of the bladder (d) muscles of the diaphragm
5.A typical plant cell is mainly distinguished from an animal cell by the possession of (a) chloroplast and nucleus (b) cell wall and cytoplasm (c) chloroplast and cell wall (d) cell wall and mitochondrion
6.Which of the following characteristics do fungi share in common with animals? (a) presence of digestive tract (b) movement from one place to another(c) storage of carbohydrates as glycogen(d) movement of centrioles during cell division
7.Which of the following processes involves diffusion? (a) opening and closing of stomatal pores (b) turgidity of herbaceous plants (c) absorption of water through the root hairs (d) absorption of digested food into the villi
8.The mechanism of opening and closing of stomata in plants is based on (a) turgidity and diffusion (b) turgidity and flaccidity (c) osmosis and diffusion (d) diffusion and flaccidity
9.In cellular respiration energy is made available to organisms by (a) removal of a phosphate group from ADP (b) breaking off a phosphate group from ATP (c) adding a phosphate group to glucose (d) breaking off a hydrogen ion from NADPH
8. Excretion in paramecium is by diffusion because (a) its habitat is water and moist places (b) it has simple, small and few internal organs (c) it has a large surface area to volume ratio (d) it has a large efficient mega nucleus
9. The axial skeleton is composed of the (a) skull and vertebral column (b) limb and girdles (c) atlas and axis (d) radius and ulna
10.The inorganic components of bone consist of (a) magnesium, sodium & calcium (b) magnesium, phosphorus & calcium (c) sodium, phosphorus & calcium (d) potassium, magnesium and calcium
11. A pulse is best described as (a) contraction of arteries to let out blood (b) contraction of veins to allow blood into them (c) dilation of arteries to accommodate blood rushing through (d) pumping of the heart to move blood round the body
12.Which of the following animals exhibit territoriality? (a) rabbit (b) earthworm (c) lizard (d) toad
13.The excretory system in mammals consist of the following parts except (a) two kidneys (b) two ureters (c) two bladders (d) one urethra
14.The organ that receives reduced flow of blood during vigorous exercise is the (a) brain (b) heart (c) lungs (d) limbs
15.The ear pinna is strengthened by (a) wood (b) cartilage (c) bone (d) turgor pressure
16.The relationship between the retina and the brain is similar to that between the (a) cochlea and the auditory nerve (b) cochlea and the brain (c) cochlea & the semicircular canals (d) eardrum and the brain
17. Which of the following statements about the development of the foetus is not correct? (a) the circulatory system of the foetus is directly connected to the maternal blood vessels (b) the foetus depends on the mothers blood for its food & oxygen (c) the foetus is surrounded by a water sac (d) food and oxygen are carried across the placenta to the embryos blood?

6 Answers Available
Asked by Leo on 19th March, 2020