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Biology Classification Practice Test

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59 views4 pages

Biology Classification Practice Test

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Target DPP Test Contact Number: 9667591930 / 8527521718

1. In five-kingdom classification, unicellular green algae 5. Identify a character that is not unique to
are included in the kingdom archaebacteria:
(1) Metaphyta (1) Cell wall structure
(2) Protista (2) Cell membrane structure
(3) Monera (3) Flagellin protein structure
(4) Metazoa (4) Fatty acid synthetase present

2. Consider the following regarding the reasons for the 6. Which one of the following is wrongly matched?
fact that now Cyanobacteria are kept in Monera and not 1. Puccinia Smut
in Plantae: 2. Root Exarch protoxylem
I. They are prokaryotes. 3. Cassia Imbricate aestivation
II. The cell wall of cyanobacteria has peptidoglycan.
4. Root pressure Guttation
III. They can fix atomspheric nitrogen
The correct explanations would be:
(1) I and II only
7. The function of nitrogen fixation in Anabaena
(2) I and III only
(cyanobacterium) is performed by
(3) II and III only
(1) thylakoid
(4) I, II and III
(2) heterocyst
(3) phycocyanin
3. Which of the following are valid pointers to the
(4) phycoerythrin
demerits of the two kingdom classification proposed by
Linnaeus?
8. Which of the following statement is not incorrect with
I. Euglena has features both of plants and animals.
respect to biological classification attempted by
II. Chlamydomanas is autotrophic but has flagella.
Aristotle?
III. Slime molds resemble animals in one phase of their
life cycle and plants in the other phase. (1) Based on complex morphological characters
(1) I and II only (2) Plants were classified into trees, shrubs and herbs
(2) I and III only (3) Animals were classified on the basis of nutrition
(3) II and III only (4) Phylogeny was also considered
(4) I, II and III

4. Math Column I with Column II and choose your


answer from the codes given: 9. Which of the following statement is correct?
Column I (Bacterium) Column II (shape) a. Fungi prepare food for algae.
I. Escherechia coli 1. Spherical b. Fungi provide shelter and absorb mineral nutrients
II. Streptococcus pyogenes 2. Helically coiled and water for its partner.
III. Treponema pallidum 3. Rod shaped c. The algal component is known as mycobiont and
fungal component as phycobiont,
I II III
d. Lichens are symbiotic associations between algae and
(1) 1 2 3 fungi which are heterotrophic and autotrophic,
(2) 3 1 2 respectively.
(3) 3 2 1
(4) 1 3 2
Target DPP Test Contact Number: 9667591930 / 8527521718

10. Identify the correct labellings. 15. Morels and truffles are edible fungi belonging to the
class:
1. Phycomycetes 2. Ascomycetes
3. Basidiomycetes 4. Deuteromycetes

16. What is not true regarding sexual reproduction in


basidiomycetes?
1. Sex organs are well developed
Plasmogamy is brought about by fusion of two
2. vegetative or somatic cells of different strains or
genotypes
Karyogamy and meiosis take place in basidium,
3.
a. A- head, B- Collar, C- Sheath, D- Tail producing four basidiospores
b. A- head, B- Collar, C- Neck, D- Tail fibre Basidiospores are produced exogenously on the
c. A- head, B- Collar, C- Sheath, D- Tail fibre 4.
basidium
d. A- head, B- Neck, C- Sheath, D- Tail fibre

11. Which of the following is not the characteristic of 17. Phylogenetic classification is based on:
the class to which Mucor belongs? Morphological
1. Mycelium is aseptate and coenocytic 1. 2. Physiological similarities
similarities
2. Zygospore is formed by fusion of two gametes
Evolutionary
3. Asexual reproduction takes place by zoospores or 3. Reproductive similarities 4.
relationships
aplanospores
4. Gametes are always dissimilar in morphology
18. Select the correct statement:
12. Heterocyst present in Nostoc is specialised for
1. fragmentation Cholera, typhoid, tetanus are well-known diseases
1.
2. nitrogen-fixation caused by viruses.
3. symbiotic relation Dinoflagellates, euglenoids and slime moulds are
2.
4. food storage placed under kingdom Monera
3. Members of kingdom Protista are primarily aquatic
13. The following are not mentioned in the five kingdom 4. Dinoflagellates are the chief 'producers' in the oceans
classification of Whittaker except:
1. Viruses
2. Viroids 19. Mad cow disease in cattle is caused by an organism
3. Euglena which has:
4. Lichens 1. Inert crystalline
2. Abnormally folded protein
14. Deuteromycetes are also called as Fungi imperfecti 3. Free RNA without protein coat
because: 4. Free DNA without protein coat
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known
Target DPP Test Contact Number: 9667591930 / 8527521718

20. Select an incorrect match 27. Select the correct match


1. Frankia - Actinomycetes - Root nodules 1. Imperfect fungi – Ustilago
2. Mycoplasma - Wall-less - Obligate aerobic 2. Agaricus – Club fungus
3. Anabaena - BGA - Heterocyst 3. Toadstool – Edible mushroom
4. Xanthomonas - Bacteria - Citrus Canker 4. Smut of wheat – Puccinia graminis

21. Neurospora, Ustilago and Agaricus are similar in 28. In basidiomycetes:


presence of ____________ during sexual life cycle I. Sex organs are absent
1. Endogenous megaspore II. Basidiospores are formed exogenously on the
2. Dikaryophase basidium
3. Esogenous meiospore 1. Only I is correct
4. Basidiocarp 2. Only II is correct
3. Both I and II are correct
22. Select odd one with respect to Basidiomycetes 4. Both I and II are incorrect
1. Mushroom
2. Smut 29. According to five kingdom system, blue green algae
3. Rust belongs to:
4. Morels 1. Metaphyta
2. Monera
23. Euglena resembles with higher plants in 3. Protista
1. Mode of sexual reproduction 4. Algae
2. Reserve food material
3. Types of chlorophyll 30. The diagram shows the presence of a pathogen
4. Nutrition amongst RBCs in the peripheral blood smear of a
patient. Even though the shape is very easy to identify,
24. Select the incorrect statement with respect to slime the structure highlighted in the circle should enable you
moulds to identify the pathogen easily. It is:
1. Plasmodium differentiates into spores producing
structure in favourable condition
2. The motile stage is present in the life cycle of
acellular slime moulds
3. Spores have true cellulosic wall
4. Pseudoplasmodium stage is chemotactically formed in
cellular slime moulds

25. White spots or rust disease seen on mustard leaves


are due to:-
1. Trypanosoma 2. Plasmodium
1. Albugo
2. Puccinia 3. Schistosoma 4. Clonorchis
3. Rhizopus
4. Penicillium

26. Animals differ from plants in


1. Being multicellular
2. Having cell wall
3. Being heterotrophic
4. Being eukaryotic
Target DPP Test Contact Number: 9667591930 / 8527521718

31. In members of Basidiomycetes: 34. The organism shown in the given figure is a/an:
1. Mycelium is unbranched and coenocytic
Sex organs are absent and plasmogamy does not take
2.
place
Asexual spores are not found but vegetative
3.
reproduction by fragmentation is common
Basidiospores are produced endogenously on the
4.
basidium

1. Archaebacterium 2. Chrysophyte
32. Viruses are not considered truly ‘living’, if we
3. Dinoflagellate 4. Blue green laga
understand living as those organisms that:
have an inert crystalline structure outside the living
1.
cell.
35. Identify the incorrect statement regarding members
once infect a cell, take over the machinery of the host of phycomycetes:
2.
cell to replicate themselves.
They are found in aquatic habitats and on decaying
3. have a cell structure. 1. wood in moist and damp places or as obligate
4. have double stranded DNA as their genetic material. parasites on plants.
2. The mycelium is septate and coenocytic.
Asexual reproduction takes place by zoospores
33. Given below are two statements: 3.
(motile) or by aplanospores (non-motile).
Sporozoans may have silica shells on 4. A zygospore is formed by fusion of two gametes.
Assertion (A):
their surface
Shells of sporozoans help in protection
Reason (R):
from acidic environment of the host

Both (A) and (R) are true and (R) is the correct
Fill OMR Sheet*
1.
explanation of (A).
*If above link doesn't work, please go to test link from
Both (A) and (R) are true but (R) is not the correct where you got the pdf and fill OMR from there
2.
explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

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