Identify the incorrect statement regarding true bacteria?

(1) As a group, they exhibit maximum metabolic diversity

(2) Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur.

(3) Heterotrophic bacteria are the most abundant in nature.

(4) Bacteria reproduce mainly by fission but sometimes under favourable conditions, they produce spores.

Subtopic:  Kingdom Monera: Bacterial Reproduction |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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Consider the following statements regarding Mycoplasma:

I. They are a genus of bacteria that have a unique cell wall of their own.

II. In their genetic code UGA codes for tryptophan.

III. None of them is pathogenic to humans.

IV. They have a large genome.

V. They can be killed by penicillins.

VI. They can survive without oxygen

The number of correct statements is:

(1) 1

(2) 2

(3) 3

(4) 4

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
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Diatoms have left behind large amount of cell wall deposits in their habitat because:

(1) They are most abundant in that habitat

(2) Their life span is long 

(3) Their wall is indestructible

(4) The statement is not true. 

Subtopic:  Kingdom protista: Chrysophytes |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Dinoflagellates:

I. Are mostly marine and photosynthetic.

II. Have a cell wall that has stiff cellulose plates on the outer surface.

III. Have two flagella

IV. Have chloroplasts bound by three membranes

The correct statements are:

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II III and IV

Subtopic:  Kingdom protista: Dinoflagellates |
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Consider the following characters:

I. Heterotroph organisms

II. A dikaryon stage

III. Cell wall made of chitin

IV. Undergo nuclear mitosis

Which of the above relate to fungi?

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II, III and IV

Subtopic:  Kingdom Fungi:: Introduction |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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NEET 2021 - Achiever Batch - Aryan Raj Singh

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How many of the following statements regarding fungi are true?

I. Asexual reproduction is common by the formation of spores.

II. Their bodies consist of hyphae that many be interconnected to form mycelium.

III. They secrete digestive enzymes onto organic matter and then absorb the products of the digestion.

IV. Fungi can break down almost any carbon containing product.

V. Fungi do not enter symbiotic relationships.

(1) 2

(2) 3

(3) 4

(4) 5

Subtopic:  Kingdom Fungi:: Introduction |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Which of the following is not an edible mushroom?

(1) Agaricus bispora

(2) Pleurotus ostreatus

(3) Lentinula edodes

(4) Amantia phalloides

Subtopic:  Kingdom Fungi: Ascomycetes |
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Consider the following characters:

I. Nuclear envelope

II. Membranes lacking sterols

III. 80s ribosomes

IV. split genes

The character not shared by fungi with other eukaryotes is/are:

(1) II alone

(2) IV alone

(3) II and IV only

(4) III and IV only 

Subtopic:  Kingdom Fungi:: Introduction |
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Fungi resemble plants in:

(1) Lack of chloroplasts and heterotrophic nutrition

(2) Reproduction by only sexual means

(3) Having a cell wall and vacuoles

(4) Exhibition of bioluminiscence

Subtopic:  Kingdom Fungi:: Introduction |
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Identify the characteristic that is unique to fungi:

(1) Cell wall of glucans and chitin

(2) Lack of chloroplasts and heterotrophic nutrition

(3) Mannitol, trehalose and glycogen as storage products.

(4) Having haploid nuclei and production of spores

Subtopic:  Kingdom Fungi:: Introduction |
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