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Although __ cold climates, they ca thrive in hot dry climates as well.
Which of the following statements are true regarding cold and hot deserts: (a) Hot deserts have high temperature while cold deserts have low temperature. (b) hot deserts are battered by sun and are sandy. Cold deserts have ice and snow covered ground. (c) Hot deserts are red or orange while cold deserts are gray. (d) Hot and cold deserts experience a significant seasonal effect.
Consider the following statements and choose the correct answer:
1. Intense or strong light retards the growth of shoot
2. Shade plants are shorter and stockier than sun plants
3. Shade plants have dense covering of hairs while sun plants are less hairy
4. The stems of shade plants are taIler and more branched than that of sun plants
Mustard can be grown in cold climates.
Kor period is less for humid climates and more for dry climates.
S1: Frozen foods are so popular today that many people wonder how they ever lived without them.
P: Near the North Pole, where the ground stays frozen all the year around, there is no problem of preserving foods.
Q: Actually, people who live in cool climates have had frozen foods for a long time.
R: Ice helped them when they could get it, but they couldn't get it very often.
S: But people who live in warm climates have not always been able to keep food fresh.
S6: Now refrigerators and deep freezers preserve many foods that could not be kept any other way.

The Proper sequence should be:
Statement 1: The cold point of a food item getting heated up by convection has its cold point at the centre of the container on the vertical axis. Statement 2: The cold point of a food item getting heated up by conduction has its cold point at the bottom of the container on the vertical axis.
Plants have been used as healers and health rejuvenators since times immemorial. More than half the drugs under clinical use owe their origin to plants. The Glossary of Indian Medicinal Plants lists 3000 plants. Which part of the plants is used most for medicinal properties ? 
S1:Palaeobotany is the study of fossil plants preserved in rocks dating back in millions of years.
P :Records of the history of the world are contained in fossils.
Q :Through the ages, plants have evolved from simple to more complex forms.
R :First there were water plants then land plants appeared during the Paleozoic era.
S :But since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation.
S6:The fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

The Proper sequence should be:
Consider the following statements and choose the correct answer:
1. The C4 plants can absorb CO2 even from a much low CO2 concentration when the C3 plants fail to avail it
2. The C4 plants require less energy to fix CO2 as compared to C3 plants
3. C4 plants are better adapted to tropical and desert areas where sunlight is more intense and the growing season is longer
4. Maize is a C4 plant