20
Minutes
30
Questions
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Marking
Q1. Which of the following is an autotrophic mode of nutrition?
Saprotrophic
Parasitic
Photosynthesis
Holozoic
Q2. The opening and closing of stomatal pores is controlled by:
Epidermal cells
Guard cells
Mesophyll cells
Companion cells
Q3. The raw materials for photosynthesis are:
Carbon dioxide and oxygen
Water and chlorophyll
Carbon dioxide and water
Glucose and oxygen
Q4. Which enzyme is present in saliva that acts on starch?
Pepsin
Trypsin
Salivary amylase
Lipase
Q5. The inner lining of the stomach is protected by:
Pepsin
Mucus
Bile
Hydrochloric acid
Q6. Which part of the alimentary canal receives bile from the liver?
Stomach
Oesophagus
Small intestine
Large intestine
Q7. Parasitic mode of nutrition is seen in:
Mushroom
Cuscuta
Pitcher plant
Venus flytrap
Q8. The site of complete digestion and absorption of food in humans is:
Stomach
Large intestine
Small intestine
Oesophagus
Q9. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in:
Cytoplasm
Mitochondria
Chloroplast
Nucleus
Q10. During respiration, exchange of gases takes place in:
Trachea and larynx
Alveoli of lungs
Alveoli and throat
Throat and larynx
Q11. The process of breakdown of glucose without using oxygen is called:
Aerobic respiration
Anaerobic respiration
Photosynthesis
Fermentation only
Q12. The energy currency of the cell is:
ADP
ATP
DNA
RNA
Q13. The end products of aerobic respiration are:
Carbon dioxide and water
Carbon dioxide and ethanol
Lactic acid and water
Ethanol and water
Q14. In humans, the air passage and food passage cross each other at:
Larynx
Pharynx
Glottis
Trachea
Q15. The respiratory pigment in human beings is:
Chlorophyll
Carotene
Haemoglobin
Anthocyanin
...and 15 more challenging questions available in the interactive simulator.