frame 50 questions from chapter 6 life processes
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here are your 50 questions
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. The chlorophyll in photosynthesis is used for
I. Absorbing light
II. Breaking down water molecule
III. No function
IV. Reduction of CO2
2. Proteins after digestion are converted into
I. Carbohydrates
II. Small globules
III. Amino acids
IV. starch
3. Carbohydrates in the plants are stored in the form of
I. Glycogen
II. Starch
III. Glucose
IV. Maltose
4. Main site of photosynthesis
I. Leaf
II. Stem
III. Chloroplast
IV. Guard cells
5. The small pores present of leaf’s surface are called
I. Stomata
II. Chlorophyll
III. Guard cells
IV. None of these
6. Photosynthesis is a
I. Catabolic process
II. Parabolic process
III. Amphibolic process
IV. Photochemical lprocess
7. Opening and closing of pores is a function performed by
I. Stomata
II. Chlorophyll
III. Chloroplast
IV. Guard cells
8. Which element is used in the synthesis of proteins?
I. Hydrogen
II. Oxygen
III. Nitrogen
IV. Carbon dioxide
9. Temporary finger like extensions on amoeba are called
I. Cell membrane
II. Cell wall
III. Pseudopodia
IV. Cilia
10. Bile juice is secreted by
I. Stomach
II. Pancreas
III. Small intestine
IV. Liver
11. Which of these juices is secreted by pancreas?
I. Trypsin
II. Pepsin
III. Bile juice
IV. Both I and II
12. Lipase acts on
I. Amino acids
II. Fats
III. Carbohydrates
IV. All of these
13. Respiratory pigment in human body is
I. Chlorophyll
II. Water
III. Blood
IV. haemoglobin
14. Blood consist of what fluid medium?
I. Lymph
II. Platelets
III. Plasma
IV. All of these
15. One cell-thick vessels are called
I. Arteries
II. Veins
III. Capillaries
IV. Pulmonary artery
16. The chlorophyll in photosynthesis is used for
I. Absorbing light
II. Breaking down water molecule
III. No function
IV. Reduction of CO2
17 Proteins after digestion are converted into
I. Carbohydrates
II. Small globules
III. Amino acids
IV. starch
18 Carbohydrates in the plants are stored in the form of
I. Glycogen
II. Starch
III. Glucose
IV. Maltose
19 Main site of photosynthesis
I. Leaf
II. Stem
III. Chloroplast
IV. Guard cells
20 The small pores present of leaf’s surface are called
I. Stomata
II. Chlorophyll
III. Guard cells
IV. None of these
21 Photosynthesis is a
I. Catabolic process
II. Parabolic process
III. Amphibolic process
IV. Photochemical lprocess
22 Opening and closing of pores is a function performed by
I. Stomata
II. Chlorophyll
III. Chloroplast
IV. Guard cells
23 Which element is used in the synthesis of proteins?
I. Hydrogen
II. Oxygen
III. Nitrogen
IV. Carbon dioxide
24 Temporary finger like extensions on amoeba are called
I. Cell membrane
II. Cell wall
III. Pseudopodia
IV. Cilia
25. Bile juice is secreted by
I. Stomach
II. Pancreas
III. Small intestine
IV. Liver
26. Which of these juices is secreted by pancreas?
I. Trypsin
II. Pepsin
III. Bile juice
IV. Both I and II
27 Lipase acts on
I. Amino acids
II. Fats
III. Carbohydrates
IV. All of these
28. Respiratory pigment in human body is
I. Chlorophyll
II. Water
III. Blood
IV. haemoglobin
29. Blood consist of what fluid medium?
I. Lymph
II. Platelets
III. Plasma
IV. All of these
30. One cell-thick vessels are called
I. Arteries
II. Veins
III. Capillaries
IV. Pulmonary artery
31. Why multi cellular organisms require special organs for exchange of gases between their body and their environment?
32.• Name the process in plants where water is lost as water vapour.
33.• Which is the food constituent that bile helps to digest and absorb?
34..4) Mention two structural features of small intestine which imparts it the absorptive capacity.
35.• What are the final products after digestion of carbohydrates and proteins?
36.What is saliva? State its role in the digestion of food.
37.• Name the process by which autotrophs prepare their own food.
38.• In human alimentary canal, name the site of complete digestion of various components of food.
39.• What is the primary requirement for pancreatic enzymes to act?
40. What do you mean by emulsification of fat?
41.• State the difference between photosynthesis and respiration.
42.• Why is energy required to develop root pressure?
43.• Which part of the bile juice is useful in digestion?
44. In an experiment, milk produces a red precipitate when heated with Benedict's solution. Which nutrients does milk contain
45.• Lipase solution was added to milk. After 30 minutes the milk had become more acidic. What were the substrate and end product in this reaction?
46.• In an experiment, a test tube containing pieces of bread (powdered), saliva is added to it. What will be the result?
47.• Name the green dot-like structures in some cells observed by a student when a leaf-peel was viewed under a microscope. What is this green colour due to?
48.• What is the role of pancreatic enzymes in human body?
49.Which DNA repair mechnaism is known as "cut and patch mechnaism"
50.Which enzyme is responsible for photoreactivation of DNA
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