General Science

Q441.Plants are formed like parent plant from

Q442.Biological Oxygen Demand (BOD) is a standard criterion for

Q443.Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting?

Q444.With reference to the blood in a normal person, which one of the following statements is correct?

Q445.Consider the following statements. 1. Tapeworm is a hermaphrodite. 2. Round-worm has separate sexes. 3. Filaria is caused by a nematode. 4. Guinea-worm is an annelid. Which of these are correct?

Q446.When there is a decrease in the concentration of oxygen in the blood, the rate of breathing

Q447.Consider the following statements. 1. Sweet orange plant is propagated by grafting technique. 2. Jasmine plant is propagated by layering technique. Which of the statement(s) given above is/are correct?

Q448.Carbon monoxide poisoning affects mainly which one of the following?

Q449.Consider the following plants. 1. Bougainvillea 2. Carnations 3. Cocoa 4. Grapes Which of these plants are propagated by stem cuttings?

Q450.Scientists of which country have developed an artificial blood that is a kind of plastic blood which could be given to any patient regardless of his blood group?

Q451.Consider the following statements. Assertion (A): During sleep, bright light is undesirable. Reason (R): In bright light, production of melatonin in the body is considerably increased. Select your answer using the codes given below. Code

Q452.Read the following statements in connection with red blood corpuscles and with the help, the code given below find out the correct answer. 1. They have iron. 2. They provide red colour to the blood. 3. They provide immunity against certain diseases. 4. They are the carrier of oxygen in the blood. Code

Q453.“It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries and the fight against it, may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against....”. The disease referred to in the above quotation is

Q454.Consider the following statements about haemoglobin. 1. It carries oxygen in the blood. 2. It is iron-containing compound. 3. It provides a immunity against certain diseases. 4. It imparts a red colour to the blood. The correct statements out of these are

Q455.Biologically, synthesized nano particles are used as a new ecofriendly technology, which has big possibility in cancer treatment, an extracts of plants is used in this technique, this plant is

Q456.A man having ‘A’ blood group met a serious road accident and the doctors advised for blood transfusion. The relatives were asked to donate blood, whose blood group were found to be as follows 1. Wife – ‘O’ 2. Brother – ‘AB’ 3. Son – ‘A’ 4. Daughter – ‘O’ Who among the above relations could donate blood to the injured man?

Q457.Arthritis is caused by the deposition of which of the following in the joints of the body?

Q458.Oxygen transportation in a human body takes place through. 1. Blood 2. Lungs 3. Tissue The correct sequence of transportation is

Q459.The people who eat cooked food with adulterated mustard oil can cause dangerous disease (Dropsy). Which one of the following reason may not be correct (As happened in India)?

Q460.Consider the following. Assertion (A): Alum is applied to stop bleeding from cuts. Reason (R): Blood is a colloidal system containing colloidal particles. The aluminium ions of alum have high coagulating power so the blood gets coagulated. Select the correct answer using the code given below. Code