IAS Science — Biology previous year questions with solutions.
A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which. One of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?
Which one of the following organisms can serve as a biofertilizer for rice crop?
The stones formed in human kidney consist mostly of
The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by
The blood glucose level is commonly expressed as
Phytotron is a facility to
Match List I (Endocrine glands) with List II (Hormones secreted) and select the correct answer using the codes given below the Lists: List I | List II I. Gonads | A) Insulin II. Pituitary | B) Progesterone III. Pancreas | C) Growth hormones IV. Adrenal | D) Cortisone
Match List I (Diseases) with List II (Types of disease) and select the correct answer using the codes given below the Lists: List I | List II I. Haemophilia | A) Deficiency disease II. Diabetes | B) Genetic disease III. Diabetes | C) Hormonal disorder IV. Ringworm | D) Fungal infection Codes:
Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an
Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristic of these varieties is that the
At which stage in its lifecycle does the silkworm yield the fibre of commerce?
Assertion (A): In human beings, the females play a major role in determining the sex of the offspring. Reason (R): Women have two ‘X’ chromosomes.
Assertion (A): “DNA Finger printing” has become a powerful tool to establish paternity and identity of criminals in rape and assault cases. Reason (R): Trace evidences such as hairs, saliva and dried semen are adequate for DNA analysis.
Which one of the following genetic diseases is sex-linked?
Match the hormones in List-I with items in List-II and select the correct answer using the codes given below: | List- I | | List-II A. | Adrenaline | 1. | Anger, fear, danger B. | Estrogen | 2. | Attracting partners through sense of smell C. | Insulin | 3. | Females D. | Pheromones | 4 | Glucose Codes: ABCD
In eye donation, which one of the following parts of donor's eye is utilized?
For which one of the following is capillarity not the reason?
Which one of the following type of micro organisms is most widely used in industries?
The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with release of energy is called.
Match List-I with List-II and select the correct answer using the codes given below the lists: | List-I | | List-II A. | Theory of mutation | 1. | Beadle and Tatum B. | Theory of evolution | 2. | Jacob and Monad C. | One gene one enzyme hypothesis | 3. | Darwin D. | Operon concept | 4. | de Vries Codes: ABCD
Match List-I with List-II and select the correct answer by using the codes given below the lists | List-I | | List-II A. | Fniit | 1. | Ovule B. | Seed | 2. | Leaf C. | Wood | 3. | Stem D. | Starch | 4. | Ovary Codes: ABCD
Haemophilia is a genetic disorder which leads to
Ergotism is due to consumption of
Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains