1. Green glands are associated with
(a) Reproduction
(b) Excretion
(c) Respiration
(d) Digestion
2. During respiration, the gases enter into the blood and leave the same by the process of
(a) Active transport
(b) Diffusion
(c) Diffusion and active transport
(d) Osmosis
3. Heart is devoid of
(a) Cardiac muscle
(b) Involuntary muscle
(c) Voluntary muscle
(d) Smooth muscle
4. The soil salinity is measured by
(a) Conductivity meter
(b) Hygrometer
(c) Psychrometer
(d) Auxanometer
5. Which of the following is a fungal disease?
(a) Leucoderma
(b) Eczema
(c) Ringworm
(d) Elephantiasis
6. Chickenpox is caused by
(a) DNA virus
(b) Variola virus
(c) Streptococcus
(d) Vibrio cholerae
7. The stability of a pond ecosystem depends on
(a) micro-organisms and fishes
(b) micro-organisms and zoo planktons
(c) fishes and reptiles
(d) producers and consumers
8. The main factor which determines the balance of nature is
(a) human activities
(b) Rabit and habitat
(c) environmental conditions
(d) availability of food
9. The golgi bodies are related to
(a) Respiration
(b) Excretion
(c) Secretion
(d) Circulation
10. The most abundant compound in cytoplasm is
(a) fat
(b) water
(c) protein
(d) carbohydrates
Solutions
1.B
2.B
3.C
4.A
5.C
6.B
7.D
8.A
9.C
10.B
