April 11, 2014

EAMCET Botany Questions and Answers

1. 50% to 70% of Biogas is-
1) H2S 2) CO2 3) Methane 4) N & H put together

2. Chitinous wall is present around-
1) Zygospore 2) Oospore 3) Oosphere 4) Zygote

3. Assertion (A): Mycorrhizae are used as bio - fertilisers.
Reason (R): They help to absorb more phosphate.
1) A & R are correct. R explains A.
2) A & R are correct. R do not explains A.
3) A is correct. R is false.
4) A is false. R is correct.

4. A colonial aggregate of immobile non-flagellated individual cells occuring in
the life cycle of some flagellated green algae is called-
1) Asexual stage 2) Palmella stage
3) Resting stage 4) Vegetative phase

5. The spores on germination produce gametophyte. The spores are produced-
A) By mitosis in higher plants
B) By meiosis in higher plants
C) By mitosis in lower plants (Thallophytes)
D) By meiosis in thallophytes
1) ABCD 2) BC 3) AD 4) BCD

6. Small plants which float passively in water currents are called-
1) Phytoplanktons 2) Plankton
3) Twinners 4) Ephimerals

7. The following are treated as orphans in the classification of plant kingdom-
1) Viruses 2) Prions 3) Viroids 4) All

8. Lichens are included in-
1) 2 kingdom classification 2) 5 kingdom classification
3) 6 kingdom classification 4) None

9. Cellular Organisation is seen in-
1) Viruses 2) Lichens 3) Prions & Viroids 4) None

11. The following consists neither DNA nor RNA-
1) Virus 2) Virion 3) Prion 4) Viroid

12. Bacteriophage is a-
1) Bacteria 2) Virus 3) Virion 4) Viroid

13. Find out mis match
1) Virus - obligatory parasite 2) Viroid - Potato spindle tuber disease
3) Prion - Scrapie disease of women 4) Woese - Three domains

14. RNA is present in-
1) TMV 2) Viroid 3) HIV 4) All

15. Assertion (A): The infectious agent of potato spindle tuber disease is a viroid.
Reason (R): It has free RNA.
1) A & R are correct. R explains A.
2) A & R are correct. R do not explains A.
3) A is correct. R is false.
4) A is false. R is correct.

16. Assertion (A): Lichens are very good pollution indicators.
Reason (R): They do not grow in polluted areas.
1) A & R are correct. R explains A.
2) A & R are correct. R do not explains A.
3) A is correct. R is false.
4) A is false. R is correct.

17. DNA is present in-
1) TMV 2) Bacteriophage 3) HIV 4) Viroid

18. The following are closely related-
1) Archaea & Eukarya 2) Prion & Viroid
3) Prion & Virion 4) Archaea & Bacteria
5) Eukarya & Bacteria

19. One of the following is a Kingdom as well as domain-
1) Bacteria 2) Archaea 3) Eukarya 4) Protista

20. Assertion (A): Viruses do not find a place in classification.
Reason (R): Viruses are not truely living.
1) A & R are correct. R explains A.
2) A & R are correct. R do not explains A.
3) A is correct. R is false.
4) A is false. R is correct.

21. The following are not non-cellular-
1) Lichens 2) Viruses 3) Viroid 4) Virion

22. The domains of Carl Woese-
(A) Archaebacteria (B) Bacteria
(C) Protista (D) Cyanobacteria
(E) Archaea (F) Protista (G) Eukarya
1) BEG 2) ABEF 3) EFG 4) CDE

23. The following is used as a marker in the 6 Kingdom Classification-
1) 23s rRNA 2) 16s rRNA 3) 30s 4) 50s

24. Monera of Whittaker is divided into the following by Carl Woese-
1) Bacteria, Archaea 2) Archaebacteria and Eukarya
3) Protista & Eukarya 4) Archaebacteria and Archaea

25. One of the following is not a characterstic feature of Animalia-
1) Holozoic Nutrition 2) Elaborate sense organs
3) Definite growth & shape 4) Presence of cell wall

Answers:
1-3; 2-2; 3-1; 4-2; 5-4; 6-1; 7-4; 8-4; 9-2; 11-3; 12-2; 13-3; 14-4; 15-1; 16-1; 17-2; 18-1; 19-1; 20-1; 21-1; 22-1; 23-2; 24-1; 25-1.

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