Which of the following is correct?
(1) All fungi are filamentous.
(2) Transfer of DNA from one bacteria to another bacteria cannot take place.
(3) Virus cannot have both DNA and RNA.
(4) Protists reproduce asexually only.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyKingdom Animalia is characterised by
(1) direct dependence on autotrophs
(2) indirect dependence on autotrophs
(3) absence of chlorophyll
(4) absence of cell wall
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe genetic material in tobacco mosaic virus is
(1) ss DNA
(2) ss RNA
(3) ds RNA
(4) ds DNA
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyYeast is not included in protozoans but in fungi because
(1) it has chlorophyll
(2) it shows saprotrophic mode of nutrition
(3) it has eukaryotic organisation
(4) cell wall is made up of cellulose and reserve food material as starch.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the labelled part in the given figure and select the correct option.
|
A |
B |
(1) |
Heterocyst |
Mucilaginous sheath |
(2) |
Mucilaginous sheath |
Heterocyst |
(3) |
Heterocyst |
Capsid |
(4) |
Pseudopodia |
Mucilaginous sheath |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statement regarding bacteria.
I. Bacteria exchnage their genetic matter through conjugation which involve cell to cell contact.
II. Transduction in 'Salmonella is reported by Tatum and Lederberg in 1952.
III. Citrus canker disease is caused by bacteria Xanthomonas citri.
IV. Hans Christian gram's staining method is based on cell wall composition of bacteria.
Choose the correct option with true statements.
(1) I and III
(2) I, III and IV
(3) I, II, and III
(4) II and IV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHeterocysts present in Nostoc is specialised for
(1) fragmentation
(2) nitrogen-fixation
(3) symbiotic relation
(4) food storage
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRefer to the following figures.
Match the following columns and choose the correct option from the codes given below.
C-I |
Column I |
Column II |
A |
I. Euglena |
I. kinetoplast |
B |
II. Paramecium |
II. Trichocysts |
C |
III. Trypanosoma |
III. Astaxanthin |
Codes:
|
A |
B |
C |
(1) |
3-II |
1-III |
2-I |
(2) |
1-II |
3-I |
2-I |
(3) |
1-III |
2-II |
3-I |
(4) |
3-I |
2-II |
1-III |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe given below figure shows a generalised life cycle of a fungus. Identify A, B and C from the given option.
| A | B | C |
(1) | Meiosis | Fertilisation | Meiosis |
(2) | Meiosis | Mitosis | Fertilisation |
(3) | Mitosis | Meiosis | Fertilisation |
(4) | Mitosis | Fertilisation | Meiosis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements regarding archaebacteria.
I. Their cell wall lacks peptidoglycan.
II. They contain membrane bound organelles.
III. These have distinct ribosomal RNA sequence.
IV. Lipid in cell membrane of archaebacteria have different structure than those in all other organisms.
Choose the incorrecct option.
(1) I and II
(2) Only II
(3) Only IV
(4) III and IV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology