| 1 |
Changes in pH can alter the active site by affecting the |
- A. Shape of substrate
- B. Ionization of amino acids
- C. Ionization of cofactor
- D. Ionizaation of co enzyme
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| 2 |
What is homeostasis. |
- A. A type of hormone
- B. Digestive process
- C. The body's way of maintaiing a stable internal environment
- D. A respiratory function
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| 3 |
Which plastid is primarily involved in the storage of found molecules in plant. |
- A. Chromoplasis
- B. Lysosomes
- C. Leucoplasts
- D. Chloroplasts
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| 4 |
Whcih organelles are covered with a double membrane. |
- A. Ribosomes
- B. Vacuoles
- C. Mitochondria
- D. Centrioles
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| 5 |
What is the primary function of the root system is plants. |
- A. Absorbing water
- B. Photosynthesis
- C. Gas exchange
- D. Reproduction
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| 6 |
Pollination is the transfer of pollens. |
- A. Petal to sepal
- B. Stigma to anther
- C. Anther to stigma
- D. Sepal to petal
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| 7 |
Which of the following plant nutrints is requried in large amount. |
- A. Iron
- B. Potassium
- C. Zinc
- D. Boron
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| 8 |
Whcih of the following is NOT a characteristic of the scientific method? |
- A. Hypothesis will always be correct
- B. It relies on evidence
- C. It involves formulating hypotheses
- D. It requires regorous testing
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| 9 |
During translation, sequence of amino acids in the protein decided on the basis of sequence of nucleotides in. |
- A. mRNA
- B. tRNA
- C. rRNA
- D. DNA
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| 10 |
Which of the following is not a product of the light-dependent reactions of photosynthesis. |
- A. ATP
- B. Glucose
- C. NADPH
- D. Oxygen
|