SHORT-ANSWER QUESTIONS : Answer in 10-15 words
1. Why are the animals and humans called heterotrophs ?
2. Name the factors which affect photosynthesis.
3. Name one each of (a) totally parasitic (b) partial parasitic plants.
4. How are the soil nutrients replenished ?
5. What is crop-rotation method ?
Answers
Answer:
1. animals and humans are heterotrophs as they do not prepare their own food.
2. the factors that affect photosynthesis are: water, sunlight, air, clorophyll and warmth and soil
3. a) raffelsia b) dodder
4. sorry, IDK this one...
5.sorry, IDK this one either...
Answer:
1.Humans are heterotrophs or omnivores because humans eat both animal proteins and plant for food
2.Factors affecting photosynthesis
the rate of oxygen output.
the rate of carbon dioxide uptake.
the rate of carbohydrate (glucose) production
3.Cuscuta reflexa, Orobanche aegyptiaca, Striga asiatica etc. are the examples of total parasitic plants
and
Indian sandalwood (Santalumalbum) Velvetbells (Bartsia alpina) Rattle plants (Rhinanthus) Indian paintbrush are example of partial parasitic
4.The nutrients are replenished in the soil by crop rotation. Changing the crops for every season will keep the land fertile. When one type of crop drains the nutrients in one season, then in the nest season plant different type of plant which will give back these nutrients to the soil.
5.Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health, optimize nutrients in the soil, and combat pest and weed pressure. ... When the corn harvest is finished, he might plant beans, since corn consumes a lot of nitrogen and beans return nitrogen to the soil.
Explanation:
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