22 solutions available
Question 31Haemorrhage frequently happens in viral dengue fever. Compare this condition with haemophilia.
Question 32Differentiate in the rate of photosynthesis for the increase in temperature.20°C to 30°C40°C to 50°C
Question 33Name the nitrogenous base with which Guanine pairs up in the helical structure of DNA and through how many hydrogen bonds?
Question 34When an irritant enters the nose, a sneezing reflex happens. Identify the stimulus and the response.
Question 35An atomic explosion in 1945 in Japan led to a large number of persisting deformities in the bodies of plants and animals. What might have...
Question 36Why is a bicuspid valve in the human heart named so?
Question 37Under which condition does a leaf take carbon dioxide from the atmosphere?
Question 38A pregnant lady is suffering from viral fever. Will the foetus be infected?
Question 39Why the blood flows through the glomerulus under great pressure?
Question 40Differentiate between genotype and phenotype.
Question 41The number of asthma patients increases during winters in metropolitan cities like Delhi. Why is it so? How can it be reduced?
Question 42In our country, the infant mortality rate is high, but the population is still increasing in India. Explain.
Question 43Justify the statement – “Vermiform appendix is a vestigial organ in humans.”
Question 44What is Adrenal Virilism?
Question 45Explain the function of corpus luteum when:(a) ovum is fertilised.(b) ovum is not fertilised.
Question 46Shruti’s mother gave birth to two male babies. Both the babies had a strong resemblance to each other. The doctor said that they have been...
Question 47State the effect of Adrenaline on:(a) Pupils of eyes(b) Heartbeat
Question 48When is albumin passed out in urine? Name this condition.
Question 49Mention the significance of the Testes being located inside the scrotum.
Question 50Give two examples of natural resources which cannot keep pace with the rising population.
Question 51Keshav enters a dark room from a brightly lit area. He experiences difficulty in viewing objects, but gradually his vision...
Question 52On a winter night, a group of workers slept in a closed room, having a burning furnace to keep themselves warm. Most of them died in their...