A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?
| 1. | Area with a large number of habitats having very low food supply |
| 2. | Area with a single type of vacant habitat |
| 3. | Area with many types of vacant habitats |
| 4. | Area with many habitats occupied by a large number of species |
A selectable marker is used to:
| 1. | help in eliminating the non-transformants so that the transformants can be regenerated. |
| 2. | identify the gene for the desired trait in an alien organism. |
| 3. | select a suitable vector for transformation in a specific crop. |
| 4. | mark a gene on a chromosome for isolation using a restriction enzyme. |
Prosthetic groups differ from co-enzymes, in which:
| 1. | they require metal ions for their activity. |
| 2. | they (prosthetic groups) are tightly bound to apoenzymes. |
| 3. | their association with apoenzymes is transient. |
| 4. | they can serve as co-factors in a number of enzyme-catalyzed reactions. |
Match the following joints with the bones involved:
| Column-I | Column-II | ||
| (a) | Gliding joint | (i) | Between carpal and metacarpal of thumb |
| (b) | Hinge joint | (ii) | Between Atlas and Axis |
| (c) | Pivot joint | (iii) | Between the Carpals |
| (d) | Saddle joint | (iv) | Between Humerus and Ulna |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (i) | (iii) | (ii) | (iv) |
Select the correct statement:
| 1. | Expiration occurs due to external intercostal muscles. |
| 2. | Intrapulmonary pressure is lower than atmospheric pressure during inspiration. |
| 3. | Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure. |
| 4. | Expiration is initiated due to the contraction of the diaphragm. |
The maximum volume of air a person can breathe in after a forced expiration is known as:
1. Expiratory Capacity
2. Vital Capacity
3. Inspiratory Capacity
4. Total Lung Capacity
Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?
| 1. | Estrogen | 2. | Prolactin |
| 3. | Oxytocin | 4. | Relaxin |
Match the following genera with their respective phylum:
| Column-I | Column-II | ||
| (a) | Ophiura | (i) | Mollusca |
| (b) | Physalia | (ii) | Platyhelminthes |
| (c) | Pinctada | (iii) | Echinodermata |
| (d) | Planaria | (iv) | Coelenterata |
Select the correct option:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iv | i | iii | ii |
| 2. | iii | iv | i | ii |
| 3. | i | iii | iv | ii |
| 4. | iii | iv | ii | i |
Which of the following statements is INCORRECT?
| 1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
| 2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
| 3. | A pair of spermatheca is present in the 6th segment of female cockroach |
| 4. | Female cockroach possesses sixteen ovarioles in the ovaries |
The exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as:
| 1. | Bioweapon | 2. | Biopiracy |
| 3. | Bioethics | 4. | Biowar |
© 2026 GoodEd Technologies Pvt. Ltd.