General
✓✗Match the protist group (Column I) with its example (Column II).
Choose the correct answer from the options given below.
| Column I (protist group) | Column II (example) |
| (a). Chrysophytes | (i). Paramoecium |
| (b). Dinoflagellates | (ii). Euglena |
| (c). Euglenoids | (iii). Gonyaulax |
| (d). Protozoans | (iv). Diatoms |
- (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
- (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
- (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
- (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
General
✓✗Which is nitrogenous waste material of free living protozoans?
- Uric acid
- Ammonia
- Aspartic acid
- Urea
General
✓✗Match the organisms in Column I with their habitats in Column II.
Choose the correct answer from the options given below.
| Column I | Column II |
| A. Halophiles | (i). Hot springs |
| B. Thermoacidophiles | (ii). Aquatic environment |
| C. Methanogens | (iii). Guts of ruminants |
| D. Cyanobacteria | (iv). Salty area |
- A-(iv), B-(i), C-(iii), D-(ii)
- A-(iii), B-(iv), C-(ii), D-(i)
- A-(ii), B-(iv), C-(iii), D-(i)
- A-(i), B-(ii), C-(iii), D-(iv)
General
✓✗Mycoplasma differ from other bacteria mainly in
- lacking ribosomes
- lacking a cell wall
- lacking DNA
- having a nucleus
General
✓✗An organism is eukaryotic, unicellular and photosynthetic; it lacks a cell wall but has a protein-rich pellicle and two flagella, one short and one long. Identify the organism and its kingdom.
- Chlorella; Protista
- Euglena; Protista
- Gonyaulax; Protista
- Chlamydomonas; Plantae
General
✓✗Given below are two statements.
Statement I: In a lichen, the algae prepare food for the fungi.
Statement II: In a lichen, the fungi provide shelter and absorb mineral nutrients and water for the algal partner.
In the light of the above statements, choose the correct answer from the options given below.
Statement I: In a lichen, the algae prepare food for the fungi.
Statement II: In a lichen, the fungi provide shelter and absorb mineral nutrients and water for the algal partner.
In the light of the above statements, choose the correct answer from the options given below.
- Both Statement I and Statement II are correct
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
- Statement I is incorrect but Statement II is correct
General
✓✗Fungi that depend on dead substrates for nutrition are called
- autotrophs
- saprophytes
- symbionts
- parasites
General
✓✗The only unicellular fungus among the following is
- Agaricus
- Rhizopus
- yeast
- Penicillium
General
✓✗Mycorrhizae show
- commensalism
- ammensalism
- parasitism
- symbiosis
General
✓✗Bacteria lack alternation of generations because there is
- neither syngamy nor reduction division
- no distinct chromosome
- no exchange of genetic material
- no conjugation
General
✓✗Lichens which grow on the barks of trees are called
- corticolous
- epiphyllous
- saxicolous
- terricolous
General
✓✗Which of the following may be used in the reclamation of usar (alkaline) soils?
- Rhizobium
- Viruses
- Mycoplasma
- Nostoc
General
✓✗All fungi differ from algae in
- having coenocytic hyphae in all members
- lacking motile ciliated gametes
- lacking chlorophyll and having chitinous walls
- lacking unicellular forms in the group
General
✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Halophiles are archaebacteria that are found in hot springs.
Reason (R): Archaebacteria differ from other bacteria in having a different cell wall structure.
In the light of the above statements, choose the correct answer from the options given below.
Assertion (A): Halophiles are archaebacteria that are found in hot springs.
Reason (R): Archaebacteria differ from other bacteria in having a different cell wall structure.
In the light of the above statements, choose the correct answer from the options given below.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Assertion is false but Reason is true
General
✓✗In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen-fixing bacteria and methanogenic archaebacteria?
- Plantae
- Protista
- Monera
- Fungi