Biology Practice Question and Answer
8 Q: By which of the following structures tongue is attached to the oral cavity?
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63c7c0c6be373f6c9546804e- 1Fingulumfalse
- 2Lingulumfalse
- 3Frenulumtrue
- 4Papilaefalse
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Answer : 3. "Frenulum "
Q: An enzyme produced by HIV that allows the integration of HIV DNA into the host cell’s DNA is:
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607ec5640372d8542895add5- 1Integrasetrue
- 2Ligasefalse
- 3DNA gyrasefalse
- 4Helicasefalse
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Answer : 1. "Integrase"
Q: In biological terms, _______ is a relationship between two organisms in which one organism benefits and the other is unaffected.
1279 062bec68925fd051a656575ba
62bec68925fd051a656575ba- 1Parasitismfalse
- 2Mutualismfalse
- 3Amensalismfalse
- 4Commensalismtrue
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Answer : 4. "Commensalism"
Q: Tendon is made up of
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63cf8f286363580df3880918- 1Aerolar tissuefalse
- 2Adipose tissuefalse
- 3Modified yellow elastic fibrous tissuetrue
- 4Modified white fibrous tissuefalse
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Answer : 3. "Modified yellow elastic fibrous tissue"
Q: Plants that do not have well-differentiated body design fall in this group. The plants in this group are commonly called algae. These plants are predominantly aquatic.
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64a2a79db5677c1e8a1239ad- 1Bryophytafalse
- 2Angiospermsfalse
- 3Thallophytatrue
- 4Pteridophytafalse
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Answer : 3. "Thallophyta"
Explanation :
1. Plants in the Thallophyta group are commonly called algae.
2. Thallophyta group includes such plants which are produced without embryo.
3. This group includes algae and fungi. Other plants are included in Embryophyta.
4. Pteridophyta includes plants with vascular tissue.
Q: All of the following are excretory (waste) products of animals, except
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62cd62a3e05adc389382a29f- 1Carbohydratestrue
- 2Ureafalse
- 3Uric Acidfalse
- 4Ammoniafalse
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Answer : 1. "Carbohydrates"
Q: Sponges belong to phylum ______ of the animal kingdom.
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64c2509e9e9013486a756bb1- 1Echinodermatafalse
- 2Poriferatrue
- 3Aschelminthesfalse
- 4Molluscafalse
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Answer : 2. "Porifera"
Explanation :
1. Sponge belongs to Porifera phylum of the animal kingdom.
2. These are primitive multicellular animals. The study of sponges is known as para zoology.
3. Sponges are mostly irregular in shape and have radial symmetry.
4. The body of a sponge has two layers-
- Epidermis: This is the outer layer that helps move water in and out.
- Mesohyl: This is the middle layer which contains the cells of the sponge.
Q: Quinine medicine is used?
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603635e824cd273bc4f0afee- 1Cholerafalse
- 2jaundicefalse
- 3Malariatrue
- 4All of thesefalse
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