1541. To measure the specific gravity of milk, the instrument used is :
A. Hygrometer
B. Barometer
C. Lactometer *
D. Hydrometer
1542. One of the fundamental characteristics of iving organisms is called :
A. Photosynthesi
B. Digestion
C. Excretion
D. Metabolism *
1543. Plants growing on other plants are called as :
A. Saprophytes
B. Parasites *
C. Epiphytes
D. Pathogens
1544. As per eating habit, squirrels are :
A. Frugivorous (Fruit eater )
B. Herbivorous (Plant eater ) *
C. Carnivorous ( Animal eater)
D. Omnivorous ( Plants and animal eater )
1545. Water loss from leaves through stomata is called as :
A. Evaporation
B. Transpiration *
C. Respiration
D. None of these
1546. The study of how plants and animals interact with one another with the non living environment is called as :
A. Ecosystem
B. Sociology
C. Ecology *
D. Habitat
1547. The number of bones in Human body is :
A. 200
B. 202
C. 204
D. 206 *
1548. Nervous system in human body consists of :
A. Brain and spinal cord
B. Brain and Nerves
C. Spinal cord and Nerves
D. Brain, Spinal cord and Nerves *
1549. In human eye , the light sensitive layer made of specialized nerve cells, the rods and cones is called as :
A. The pupil
B. The cornes
C. The Sclera
D. The retina *
1550. Erythrocytes are also called as :
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma