Q. It is not advisable to sleep under a tree at night because trees release -
1) Carbon dioxide
2) Oxygen
3) Carbon Monoxide
4) Sulphur dioxide
Q. Xerophytes live predominantly in -
1) Ponds
2) Mountains
3) Deserts
4) Brackish water
Q. Chlorophyll is normally found in -
1) Green leaves
2) Tree bark
3) Kidney
4) Blood
Q. Where will you find Ventricle in the human body?
1) Kidney
2) Lungs
3) Brain
4) Heart
Q. The environment includes -
1) Abiotic factors
2) Biotic factors
3) Oxygen and Nitrogen
4) Abiotic and Biotic factors
Q. Green manure is obtained from -
1) Domestic vegetable waste
2) Oil-seed husk cakes
3) Fresh animal excreta
4) Decomposing green legume plants
Q. The best example of Polyembryony is -
1) Cocoa
2) Capsicum
3) Citrus
4) Cycas
Q. Which of the following is a chromoprotein?
1) Mucin
2) Haemoglobin
3) Peptones
4) Vitelline
Q. Root Hairs arise from -
1) Cortex
2) Pericycle
3) Epidermis
4) Endodermis
Q. A parenchyma cell that stores ergastic substance is known as -
1) Phragmoblast
2) Idioblast
3) Conidioplast
4) Chloroplast
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