top of page
Snowy Woodland Trees

Biological Classification

1. The chief component of the bacterial cell wall is

  1. Cellulose and pectin

  2. Cellulose and Chitin

  3. Amino acids and Polysaccharides

  4. Cellulose and Carbohydrates

2. The chief component of the bacterial cell wall is

  1. Proteins

  2. Amines

  3. Lipids

  4. Carbohydrates

3. All eukaryotic unicellular organisms belong to

  1. Monera

  2. Protista

  3. Fungi

  4. Animalia

4. Organisms living in salty areas are called

  1. Methanogens

  2. Halophilies

  3. Thermoacidophilies

  4. Xanthophilies

5. Contagium vivum jaudium was proposed by

  1. D J Ivanowsky

  2. Robert Hooke

  3. Stanley

  4. M W Beijerinek

6. Outer protein covering of virus is

  1. Virion

  2. Viroid

  3. Capsid

  4. Coat

7. Plasmids are extra chromosomal genetic material of

  1. Bacteria

  2. Virus

  3. Algae

  4. Amoeba

8. An organism should be placed in the kingdom Monera off it.

  1. Consists of a single cell

  2. Has a cell wall

  3. Is surrounded by a capsule

  4. Lacks a nuclear membrane separating its genetic material from the cytoplasm

9. Find out the correct match;

  1. AIDS – Bacillus anthracis

  2. Syphilis – Treponema pallidum

  3. Gonorrhea – Leishmania donovani

  4. Urethritis – Entamoeba gingivalis

10. According to the shapes the names of the different bacteria are given below, identify them;

​

​

​

​

​

  1. a- Spirilla b-Vibrio  c-Cocci    d-Bacilli

  2. a- Spirilla b-Bacilli  c-Cocci     d-Vibrio

  3. a- Bacilli   b-Cocci   c-Spirilla  d-Vibrio

  4. a- Cocci    b-Bacilli  c-Spirilla  d-Vibrio

Bacteria Shapess.png

11. The symbiotic N2 fixing bacteria present in root nodules of legumes belong to genus;

  1. Xanthomonas

  2. Pseudomonas

  3. Rhizobium

  4. Clostridium

12. Diatomaceous earth is formed due to remains of following parts of diatoms.

  1. Cell wall

  2. Chloroplast

  3. Cytoplasm

  4. All of these

13. Light sensitive structure of euglenoids is

  1. Cilium

  2. Eyespot

  3. Flagellum

  4. Chloroplast

14. Emtamoeba histolytica lives as an endoparasite in;

  1. Stomach of man

  2. Large intestine of man

  3. Liver of man

  4. Lungs of man

15. Which of the following is not a correct match of kingdom, it explanation and example.

  1. Monera: Unicellular, prokaryotic – Escherichia

  2. Protista: Unicellular, eukaryotic -Euglena

  3. Mycota: Multicellular, decomposers - Nostoc

  4. Metaphyta: Multicellular, autotrophs – Nephrolepis

16. Which of the following is the correct sequence of sexual cycle in higher fungi;

  1. Karyogamy – plasmogamy - meiosis

  2. Plasmogamy – karyogamy – meiosis

  3. Meiosis – plasmogamy – karyogamy

  4. Meiosis – karyogamy – plasmogamy

17. Heterotrophic, eukaryotic, multicellular organisms lacking a cell wall and showing holozoic nutrition are included in the kingdom.

  1. Mycota

  2. Animalia

  3. Protista

  4. Metaphyta

18. The fruiting body of the mushroom is called

  1. Rhizomorh

  2. Ascospore

  3. Basidiocarp

  4. Cytocarp

19.Which of the following is not true regarding lichens?

  1. They grow in polluted areas

  2. They are the earliest settlers on barren rocks

  3. The fungal partner in lichen is called mycorrhiza

  4. The algal partner in lichen is autotrophic.

20. In which of the following group of fungi sexual reproduction is not occur

  1. Phycomycetes

  2. Ascomycetes

  3. Basidiomycetes

  4. Deuteromyctes

21. Mycorrhiza is a relationship between;

  1. Algae and fungi

  2. Fungi and the roots of higher plants

  3. Fungi and rhizoids of lower plants

  4. None of the above

22. Black rust of wheat is caused by

  1. Puccinia tritica

  2. Rhizopus

  3. Yeast

  4. Penicillium

23. Late blight of potato is caused by

  1. Alternaria solani

  2. Phytophthora infestans

  3. Albugo candida

  4. Fusarium moniliforme

24. Lichen growing on wood is called

  1. Saxicolous

  2. Terricolous

  3. Corticolous

  4. Lignocolous

25. Causal agent of ‘red rot of sugarcane’ is

  1. Helminthosporium

  2. Fusarium

  3. Pythium

  4. Colletotrichum

26. One of the major components of the cell wall of most fungi is;

  1. Peptidoglycan

  2. Chitin

  3. Cellulose

  4. Hemicellulose

27. Coprophilous fungi are those;

  1. Which grow on dung

  2. Which grow on tree stumps

  3. Which produce fruiting bodies

  4. Which reproduce only asexually

28. Sporogamy of Malarial parasite occurs in

  1. Liver of man

  2. RBCs of man

  3. Stomach wall of the mosquito

  4. Salivary glands of mosquito

bottom of page