Match the items in Column - I with those in Column - II:
| Column I | Column II | ||
| (a) | Podocytes | (i) | Crystallised oxalate |
| (b) | Protonephridia | (ii) | Annelids |
| (c) | Nephridia | (iii) | Amphioxus |
| (d) | Renal calculi | (iv) | Filtration slits |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (ii) | (iii) | (i) |
Erythropoiesis starts in:
| 1. | kidney | 2. | liver |
| 3. | spleen | 4. | red bone marrow |
| 1. | Leaf | 2. | Stem |
| 3. | Root | 4. | Flower |
Which of the following organic compounds is the main constituent of Lecithin?
| 1. | Arachidonic acid | 2. | Phospholipid |
| 3. | Cholesterol | 4. | Phosphoprotein |
Which of the following statements is correct about the origin and evolution of men?
| 1. | Agriculture came around 50,000 years back. |
| 2. | The Dryopithecus and Ramapithecus primates existing 15 million years ago, walked like men. |
| 3. | Homo habilis probably ate meat. |
| 4. | Neanderthal men lived in Asia between 100000 and 40000 years back. |
Which of the following animals are true coelomates with bilateral symmetry?
| 1. | Adult Echinoderms | 2. | Aschelminthes |
| 3. | Platyhelminthes | 4. | Annelids |
Which of the following characteristics is mainly responsible for the diversification of insects on land:
| 1. | Segmentation | 2. | Bilateral symmetry |
| 3. | Exoskeleton | 4. | Eyes |
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
Which of the following depicts the correct pathway of transport of sperms?
| 1. | Rete testis → Efferent ductules → Epididymis → Vas deferens |
| 2. | Rete testis → Epididymis → Efferent ductules → Vas deferens |
| 3. | Rete testis → Vas deferens → Efferent ductules → Epididymis |
| 4. | Efferent ductules → Rete testis → Vas deferens → Epididymis |
Artificial light, extended work-time and reduced sleep-time disrupt the activity of:
| 1. | Thymus gland | 2. | Pineal gland |
| 3. | Adrenal gland | 4. | Posterior pituitary gland |