Read the given statements and select the option which correctly fill the blanks (i) – (iv).
(i) ________ is membrane bound sac filled with fluid.
(ii) ________ is found in cytoplasm and on endoplasmic reticulum.
(iii) ________ is involved in the formation of lysosome and peroxisome.
(iv) ________ is capable of digesting any microorganism that enters the cell.
(i) | (ii) | (iii) | (iv) | |
A | Ribosome | Lysosome | Golgi apparatus | Vacuole |
B | Vacuole | Ribosome | Golgi apparatus | Lysosome |
C | Ribosome | Lysosome | Vacuole | Golgi apparatus |
D | Lysosome | Ribosome | Vacuole | Golgi apparatus |
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Ans 5:
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Read the following statements and select the option that correctly identifies true
(T) and false (F) ones.
(i) The number of petals and sepals in a flower is always equal.
(ii) Roots absorb water and minerals from the soil.
(iii) Stamens form the female reproductive part of a flower.
(iv) Petiole is the short stalk that attaches leaf to the stem.
(v) Calyx and corolla form the essential whorls of the flower.
(i) | (ii) | (iii) | (iv) | (v) | |
---|---|---|---|---|---|
A | T | T | F | T | F |
B | F | T | F | T | F |
C | F | T | T | T | F |
D | T | T | F | F | T |
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Depending upon the nature of the
constituents present in a mixture, Suhana, a class 6 student suggested some methods of separation as shown in the table.
S. No. |
Types of mixture |
Methods of separation |
---|---|---|
1. | Solid - Solid | Handpicking, Sieving |
2. | Solid - Liquid (insoluble) |
Sedimentation - Decantation, Filtration |
3. | Liquid - Liquid (immiscible) |
Decantation, Separating funnel |
4. | Solid - Liquid (soluble) |
Filtration, Decantation |
5. | Liquid - Liquid (miscible) |
Distillation |
Which of these is/are incorrect method(s) of separation?
A1 and 2 only
B3 only
C1 and 5 only
D4 only