| 1 |
An atom containing two electrons. |
- A. Be
- B. Li
- C. H
- D. <div>He</div>
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| 2 |
Neutron stars emit higher energy reaiation such as. |
- A. Alpha rays
- B. X -rays
- C. beta rays
- D. Gama rays
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| 3 |
Tartaric acid obtain form. |
- A. Fats
- B. Tarmarind , grapes
- C. Apples
- D. Citrus fruits
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| 4 |
Which fo these is NOT a genetic variation. |
- A. Attached earlobes
- B. Blood group
- C. Eye colour
- D. Mark of cut on skin
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| 5 |
The colour of eyes in an organism is controlled by a. |
- A. Egg
- B. Zygote
- C. Chromosomes
- D. Gene pair
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| 6 |
An event that occurs during interphase. |
- A. Division of nuclesu
- B. Duplication of chromosomes
- C. Division of cytoplasm
- D. Formation of cell wall
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| 7 |
Cleaning of ...... by artificial method is called dialysis. |
- A. Water
- B. Urine
- C. Acid
- D. Blood
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| 8 |
In humans, a sperm has 23 chromosomeds. Egg cell has. |
- A. 23 chromosomes
- B. 46 chromosomes
- C. No chromosomes
- D. 69 Chromosomes
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| 9 |
Speed of light is denoted by. |
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| 10 |
The three key ingredients used in making soap are. |
- A. Oil, lye, water
- B. NaOH , Oil, lye
- C. Glycerol, oill, lye
- D. glycerol, water, oil
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