Botany Full length Test (2024)

Botany Full length TestContact Number: 9667591930 / 8527521718

botany - Section A

1.

The aquatic plant in which pollination is not carried out by water is:
(1) Vallisneria
(2) Water lily
(3) Zostera
(4) Hydrilla

2.

Genetic self-incompatibility tends to increase
(1) pollen dispersal
(2) inbreeding
(3) pollination
(4) outcrossing

3.

The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is:
(1) Vitamin C
(2) Vitamin D
(3) Vitamin B12
(4) Vitamin E

4.

In a monohybrid cross F₁ progeny resemble neither of the parents. What would be true in this case?
1. The parental traits would not appear in any of the F₂ -progenies
2. The F₂ phenotypic ratio will be different from the F₂ genotypic ratio
3. It could be a case of incomplete dominance
4. The F₂ phenotypic ratio will be similar to any Mendelian monohybrid cross

5.

Which of the following taxonomic categories contains organisms least similar to one another?
1. Class
2. Genus
3. Family
4. Species

6.

If a cell were treated with a chemical that blocked nucleic acid synthesis, which of the following processes would most likely be affected first?
1. DNA replication
2. tRNA synthesis
3. mRNA synthesis
4. Protein synthesis

7.

The most effective means of conservation of biodiversity is:
1. Remove predators
2. Preserve habitats
3. Vaccinate against disease
4. Census the species during breeding season

8.

ICBN stands for
1. International Classification of Biological Nomenclature
2. International Class of Biological Nomenclature
3. International Code of Botanical Nomenclature
4. International Classification of Biological Namning

9.

In bryophytes and pteriodophytes, transport of male gametes requires
1. insects
2. birds
3. water
4. wind

10.

Water containing cavities in vascular bundles are found in
1. sunflower
2. maize
3.Cycas
4.Pinus

11.

Stroma in the chloroplasts of higher plants contains
1. light-independent reaction enzymes
2. light-dependent reaction enzymes
3. ribosomes
4. chlorophyll

12.

Point mutation involves
(1) insertion
(2) change in single base pair
(3) duplication
(4) deletion

13.

Given below is a schematic break-up of the phases/stages of the cell cycle

Which one of the following is the correct indication of the stage/phase in the cell cycle?
1. B-Metaphase
2. C-Karyokinesis
3. D-Synthesis phase
4. A-Cytokinesis

14.

Cattle fed with spoilt hay of sweet clover which contains dicumarol
1. are healthier due to a good diet
2. catch infections easily
3. may suffer vitamin K deficiency and prolonged bleeding
4. may suffer from beriberi due to deficiency of B vitamins

15.

Beta diversity is diversity
(1) in a community
(2) between communities
(3) in a mountain gradient
(4) on a plain

16.

Phytohormones are?
(1) hormones regulating growth from seed to adulthood
(2) growth regulators synthesised by plants and influencing physiological process
(3) hormones regulating flowering
(4) hormones regulating secondary growth

17.

The graph shows two types of population growth curve. A is exponential and B is logistic.

Which one of the following growth model considered as more realistic one?
1. Exponential growth curve
2. Logistic growth curve
3. Both the growth curves
4. None of the above

18.

Match the Column I and II.

A B C D
(a) 1 2 3 4
(b) 3 1 2 4
(c) 4 1 2 3
(d) 4 3 2 1

19.

Tritical is obtained by crossing wheat with
1. oat
2. barley
3. maize
4. rye

20.

Epiblema of roots is same as
A. Pericycle
B. Endodermis
C. Epidermis
D. Stele

21.

Identify A and B leaves:

22.

Theseed coat has 2 layers, the outer _____________ and inner _____________. The _____________ is a scar on the seed coat through which the developing seeds are attached to the fruit. Above the ____________ is a small pore called the __________:
1. Testa, tegmen, hilum, hilum, micropyle
2. Tegmen, testa, hilum, hilum, micropyle
3. Testa, tegmen, micropyle, micropyle, hilum
4. Tegmen, testa, micropyle, micropyle, hilum

23.

If any organism has non cellulosic cell wall where can it be placed according to whittaker's system of classification?

(1) Monera
(2) Protista
(3) Fungi
(4) Both (1) and (3)

24.

Which of the following is true about stroma except
(1)contains enzymes for carbohydrates and proteins synthesis
(2)Chlorophyll pigments are present in stroma
(3) contains the most abundant protein of the universe
(4)contains small, dsDNA molecules

25.

What does 10 per cent law say?

26.

Human nerve cells do not divide after birth and they remain throughout their life in which phase of cell cycle?

(1) M-phase
(2) G₁ phase
(3) G₀ phase
(4) Invisible phase

27.

Sexual deceit is
1. All orchid employ it
2. Leaf resembles female bees in color size and markings
3. Male bee pseudocopulation the leaf
4. This male takes away pollen with itself and then goes to another flower for pseudocopulation will shed pollens there

28.

In cellular respiration, where is FADH2 produced?

(1) Conversion of BPGA to PGA
(2) Conversion of succinate to Malate
(3) Conversion of PEP to Pyruvate
(4) Conversion of Malate to OAA

29.

The relationship between cattle egret and grazing cattle can be best described as:

30.

Auxin was isolated by
1.F. W. Went
2.Charles Darwin
3.Francis Darwin
4.F. Skoog

31.

Auxins was first isolated from
1.Human serum
2.Human urine
3.Human stool
4.Human saliva

32.

Which of the following is not true about Calyx?
1. The outermost whorl of a flower
2. Members are sepals
3. Generally sepals are yellow and petal like
4. Protect the flower in the bud stage

33.

Half-leaf experiment, where a part of leaf is enclosed in a test tube containing KOH is performed to show that :-
1.$H_{2}O$ is required for photosynthesis.
2.$C{O}_2$is required for photosynthesis.
3. Light is required for photosynthesis .
4.$H_{2}O$ is source of$O_2$released during photosynthesis.

34.

Name the product formed by Trichoderma polysporum and give its use.
1. Statins which are used as blood cholesterol lowering agent.
2. Cyclosporin A that is used as immunosuppressive agent.
3. Statins which are used as clot buster.
4. Cyclosporin A that is used to inhibit the enzyme responsible for cholesterol synthesis.

35.

Mark the odd one with respect to shape of ecological pyramids.
1. Pyramid of energy.
2. Pyramid of number in grassland ecosystem.
3. Pyramid of biomass in aquatic ecosystem.
4. Pyramid of biomass in terrestrial ecosystem.

botany - Section B

36.

Cystic fibrosis, Myotonic dystrophy and Thalassemia are
1. Chromosomal disorders
2. Autosomal recessive disorders
3. Mendelian disorders
4. Autosomal dominant disorders

37.

The decline in the population of Indian native fishes due to the introduction of Clarias gariepinus in river Yamuna can be categorised as:
1.Co-extinction
2.Habitat fragmentation
3.Over exploitation
4.Alien species invasion

38.

Match the organisms in Column I with habitats in Column II.

Select the correct answer from the options given below:

39.

The salient features of the Double-helix structure of DNA include all except:

40.

Common type of asexual spore in a group of fungi having shorter dikaryophase in their sexual life cycle is
1. Sporangiospore
2. Conidia
3. Zygospore
4. Zoospore

41.

If we change the position of genes on chromosomes it will be included in
1. Gene mutation
2. Chromosomal mutation
3. Polyploidy
4. Transversion mutation

42.

Find out the correct order (with respect to development of male gametophyte)

1.$\mathrm{D}\stackrel{}{\to }\mathrm{A}\stackrel{}{\to }\mathrm{C}\stackrel{}{\to }\mathrm{B}$'
2.$\mathrm{D}\stackrel{}{\to }\mathrm{B}\stackrel{}{\to }\mathrm{A}\stackrel{}{\to }\mathrm{C}$
3.$\mathrm{D}\stackrel{}{\to }\mathrm{C}\stackrel{}{\to }\mathrm{B}\stackrel{}{\to }\mathrm{A}$
4.$\mathrm{A}\stackrel{}{\to }\mathrm{B}\stackrel{}{\to }\mathrm{C}\stackrel{}{\to }\mathrm{D}$

43.

Which of the following is not a part of the cytoskeleton?
1. Microtubule
2. Microfilament
3. Intermediate filament
4. Microfibril

44.

What is a property of C4 plants, but not C3 plants?
A. Initially fix carbon dioxide in mesophyll cells as 4-carbon long compounds.
B. Initially fix carbon dioxide in bundle sheath cells as 3-carbon long compounds.
C. Initially fix carbon dioxide in mesophyll cells as 3-carbon long compounds.
D. Initially fix carbon dioxide in bundle sheath cells as 4-carbon long compounds.

45.

Choose the incorrectly matched pair:
1.Ulothrix – Zygote is single celled diploid generation
2.Spirogyra – Zygote is a resistant structure
3.Cycas – Coralloid roots
4.Fucus – Isogametes

46. The relationship between incident light and carbon dioxide fixation by photosynthetic plants, at low light intensities, is a:

47. Which of the following curves represents logistic growth curve of a population?

1.		2.
3.		4.

48. Mark the statement which is not true with respect to the stage of cell division that comes just after the completion of recombination of genetic material :
1. Synaptonemal complex dissolves
2. It is marked by the formation of chiasmata
3. Synapsed chromosome forms a pair called bivalent
4. It lasts for months or years in oocytes of some vertebrates

49. Which of the following is true about chlorophyll b?

50. If p​roducer is a large tree that supports a number of herbivorous animals which are further attacked by ectoparasites, the pyramid of number shall be
1. Inverted
2. Upright
3. Irregular
4. Spindle-shaped

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