1.Green plants are called ___________________.
(a ) autotrophs ( b ) heterotrophs (c) parasites (d) none of these.
2. The process of making food by the plants is called_____________
(a) photosynthesis (b) respiration (c) breathing (d) b and c
(3) All the life process require energy. It is obtained through:
(a) respiration and excretion (b) nutrition and respiration (c) excretion and digestion (d) all of these
4. Amoeba feeds with the help of__________
(a) tentacles (b) pseudopodia (c ) food vacuole (d) none of these
5. Which of the following is a parasites?
(a) mushroom (b ) dodder ( c) fungi ( d) pitcher,s plants ( d ) vitamin
(6) Requirements of photosynthesis are:
a) chlorophyll (b) Sunlight and water (c) carbon dioxide(d) all of these
7. The green pigment found mostly in leaves is called____________.
a) Chlorophyll (b) saprophytes (c) nutrients (d) none of these
8. Plants or animals which live in or on other living organism and derive their food from them are called:
a) parasites b) Saprophytes (c) Insectivores (d) symbionts
9. Which one is an example of Pitcher plant ?
a) Symbiotic b ) Insectivores (c)saprophytes (d) parasites
10.(B) Write ‘ T’ for true and ‘F’ for false statement:
1. Chloroplasts are present in all plants __
2. All animals and humans are heterotrophs. __
11(C).Fill in the blanks:
1. Human beings are ________.
2.Green plants are called __________as they can prepare their own food..
12. (D) Write one word for the following:
1. The process of taking food and its utilisation by the body ______
2. What does ‘photo’in photosynthesis refer to ________
(E) Very short questions
13. What is chlorophyll?
14.What are heterotrophs?
15. Why are green palnts called autotrophs?.
16. What is the function of saliva?
17.What is pseudopodia?
18. How does amoeba obtain its food.
19. What is nutrition
20. What is saprophytes?
Answers
Answer:
- (a) autotrophs
- (a) photosynthesis
- (d) all of these
- (b) pseudopodia
- (c) fungi
- (d) all of these
- (a) chlorophyll
- (a) parasites
- (b) insectivores
1. a) autotrophs
2. a) photosynthesis
3. b) nutrition and respiration
4. c) food vacuole
5. b) dodder
6. d) all of these
7. a) chlorophyll
8. a) parasites
9. b) Insectivores
10. 1. False
2. True
11. 1. heterotrophs
2. autotrophs
12. 1. Absorption
2. Light
13. Chlorophyll is a green pigment found in plants which gives it colour. Plants with chlorophyll can perform photosynthesis.
14. Organisms that cannot make their own food and depend on other organisms for food are known as heterotrophs.
15. Plants are called autotrophs as they produce its own food by using the water, light and carbon dioxide, since they produce their own food they are called as autotrophs.
16. The functions of saliva is to moistening food, and it helps to create a food bolus, so it can be swallowed easily.
17. Pseudopods are actually extensions of the cytoplasm, or the thick liquid that is inside organisms like amoeba.
18. Amoeba takes in food using temporary finger-like extensions of the cell surface which fuse over the food particle forming a food-vacuole. Inside the food vacuole, complex substances are broken down into simpler ones which then diffuse into the cytoplasm.
19. Nutrition is the process of taking in nutrients from the food we eat.
20. A saprophyte is an organism which gets its energy from dead and decaying organic matter.
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