Paramecium and Amoeba are placed in kingdom protista with

1. Anabaena and Colletotrichum

2. Anabaena and Chlorella

3. Chlamydomonas and Colletotrichum

4. Chlorella and Chlamydomonas

Subtopic:  Protozoa |
 81%
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Which of the following is not the characteristic of the class to which Mucor belongs?

1. Mycelium is aseptate and coenocytic

2. Zygospore is formed by fusion of two gametes

3. Asexual reproduction takes place by zoospores or aplanospores

4. Gametes are always dissimilar in morphology

Subtopic:  Kingdom Fungi: Zygomycetes |
 78%
From NCERT
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Which of the following statements is true for Heterotrophic bacteria?

1. They fix nitrogen in legume roots.
2. The majority are important decomposers.
3. Helpful in making curd from milk and production of antibiotics.
4. All of these.
Subtopic:  Kingdom Monera: Bacterial Life Process |
 93%
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Who showed that viruses could be crystallized and crystals consist largely of proteins?

1. D.J. Ivanowsky

2. M.W. Beijerinek

3. W.M. Stanley

4. T.O. Diener

Subtopic:  Virus, Viroids & Prions |
 85%
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Which of the following is not true for chrysophytes?

1. Found in fresh water as well as in marine environment.

2. Cell membranes are embedded with silica.

3. Most of them are photosynthetic.

4. Microscopic and float passively in water currents.

Subtopic:  Kingdom Protista: Chrysophytes |
 55%
From NCERT
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Which of the following organisms do not possess cell wall?

(1) Plant cell

(2) Bacteria

(3) Fungi

(4) Amoeba

Subtopic:  Kingdom Protista: Introduction |
 82%
From NCERT
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Identify A, B, and C in the given diagram:

A

B

C

1

Sheath

Head

Collar

2

Collar

Head

Sheath

3

Sheath

Collar

Head

4

Head

Collar

Sheath

Subtopic:  Virus, Viroids & Prions |
 87%
From NCERT
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Which of the following form the basis for the division of the kingdom fungi into various classes?

(I) Mode of spore formation and fruiting bodies.
(II) Morphology of the mycelium.
(III) Mode of nutrition and occurrence.

1. I, II 2. I, III
3. II, III 4. Only I
Subtopic:  Kingdom Fungi: Introduction |
 80%
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Which of the following are correct for viroids?
(I) Discovered by Pasteur.
(II) Smaller than viruses.
(III) Found to be free DNA.
(IV) Cause potato spindle tuber disease.
(V) Nucleic acid has high molecular weight.

1. I, III, IV

2. II, III, IV, V

3. II, IV

4. II, IV, V

Subtopic:  Virus, Viroids & Prions |
 85%
From NCERT
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Match each item in Column I with one item in Column II regarding pathogenic protozoans and chose your answer from the codes given below:
Column I                                   Column II
(disease)                                 (causative organism)
I. Malaria                                 1. Sporozoan
II. Dysentery                            2. Amoeboid
III. Sleeping sickness                3. Ciliate
IV. Balantidiasis                        4. Flagellate
Codes:
        I   II   III   IV
A.    1   2    3     4
B.    2   1    4     3
C.    2   1    3    4
D.    1   2    4    3

Subtopic:  Protozoa |
 71%
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