Biology PYQ — Page 4

Octopus is

Consider the following statements: 1. The common blue green algae, Spirogyra and Ulothrix, are found n both fresh water ponds and oceans. 2. The Chameleon can look ahead with one eye, and at the same time look behind with another. Which of these statements is/are correct?

With reference to normal human beings, consider the following statements: 1. In response to the presence of HCI, secretin is produced from the duodenum. 2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids. Which of these statements is/are correct?

The cellular and molecular control of programmed cell death is known as

Which one of the following statements is not correct?

With reference to the human body, consider the following statements: 1. The production of somatotropin goes up when a person exercises. 2. Men's testes produce progesterone. 3. Women's adrenal glands secrete testosterone. 4. Stress causes the adrenals to release very less amount of cortisol than usual. Which of these statements are correct?

Assertion (A): Drinking of whisky increases the frequency of urination. Reason (R): Alcohol intake speeds up the secretion of vasopressin in the body.

Assertion (A): Human diet should compulsorily contains glycine, serine and tyrosine. Reason (R): Essential amino acids cannot be synthesized in the human body.

Which one of the following is monogamous?

Which one of the following Statements IS correct?

When one gene controls two or more different characters simultaneously, the phenomenon is called

In the context of organic evolution the loss of limbs in snakes is explained by the phenomenon of

Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?

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

In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

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

In the eye donation, which part of the eye is transplanted from the donor?

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?

"Metastasis" is the process by which

Which organelle in the cell, other than nucleus contains DNA?

Match List-I with List-H and select the correct answer using the codes given below the lists | List-I (Substance) | | List-II (Physiological role) A. | Ptyalin | 1. | Converts angiotensinogen in blood into angiotensin B. | Pepsin | 2. | Digests starch C. | Renin. | 3. | Digests proteins D. | Oxytocin | 4. | Hydrolyses fats | | 5. | Induces contraction of smooth muscles -

Match List-I with List-Il and select the correct answer using the codes given below | List-I (Bone) | | List-II (Name) A. | Breastbone | 1. | Clavicle B. | Collarbone | 2. | Patella C. | Kneecap | 3. | Scapula D. | Shoulder blade | 4. | Sternum

Hybridoma technology is a new biotechnological approach for commercial production of

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?