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2036. Which of the following would not make minerals more available to plants ?
A. Tilling a packed -down or water logged sool
B. Raising the pH of acidic soil
C. Increasing the rainfall in a wet, forested soil
D. Introducing fungi into the soil
Explanation:
2037. Plant hormone that induces cell division is
A. auxins
B. gibberellins
C. dormins
D. kinnins
Explanation:
2038. The seeds of Which of the following plants lack endosperm and store food in cotyledons ? 1. Groundnut 2. Pea 3. Mustard 4. Coconut
A. 1, 2 and 3
B. 2, 3 and 4
C. 2 and 3
D. 1 ansd 4
Explanation:
2039. Which form of Phosphorus is used in safety matches ?
A. White Phosphorus
B. Yellow Phosphorus
C. Red Phosphorus
D. Black Phosphorus
Explanation:
2040. Which of the following plants are insectivorous in their mode of nutrition ? 1. Nepenthes 2. Cuscuta 3. Drosera 4. Utricularia 5. Dionaea
A. 1, 2, 3, and 4
B. 1, 3, 4 and 5
C. 1, 2, 4 and 5
D. 2, 3, 4 and 5
Explanation:
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