Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus:
1. Mangifera Indica
2. Mangifera indica Car. Linn.
3. Mangifera indica Linn.
4. Mangifera indica
Which of the following statements is incorrect?
| 1. | Yeasts have filamentous bodies with long thread-like hyphae |
| 2. | Morels and truffles are edible delicacies |
| 3. | Claviceps is a source of many alkaloids and LSD |
| 4. | Conidia are produced exogenously and ascopores endogenously |
Which of the following statements is incorrect?
1. Prions consist of abnormally folded proteins
2. Viroids lack a protein coat
3. Viruses are obligate parasites
4. Infective constituent in viruses is the protein coat
Pinus seed cannot germinate and establish without fungal association. This is because:
1. its seeds contain inhibitors that prevent germination.
2. its embryo is immature.
3. it has obligate association with mycorrhizae.
4. it has very hard seed coat.
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in :
1. Gymnosperms
2. Liverworts
3. Mosses
4. Pteridophytes
Consider the following features:
| (a) | Organ system level of organization |
| (b) | Bilateral symmetry |
| (c) | True coelomates with the segmentation of the body |
| 1. | Annelida, Mollusca and Chordata |
| 2. | Annelida, Arthropoda, and Chordata |
| 3. | Annelida, Arthropoda, and Mollusca |
| 4. | Arthropoda, Mollusca, and Chordata |
Match the following organism with their respective characteristics:
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
Placentation, in which ovules develop on the inner wall of the ovary or in the peripheral part, is:
1. Free central
2. basal
3. Axile
4. Parietal
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following :
1. Tyloses in vessels
2. Closure of stomata
3. Flaccidity of bulliform cells
4. Shrinkage of air spaces in spongy mesophyll
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