Botany Full length TestContact Number: 9667591930 / 8527521718
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botany - Section A
1.
Which of the following statements about plant hormones is false?
1. The growth of plants in nature is probably regulated by a combination of growth-stimulating and growth-inhibiting hormones.
2. Abscisic acid generally promotes growth.
3. Gibberellins stimulate cell enlargement.
4. Cytokinins promote cell division.
2.
The residue left after methane production from cattle dung is:
1. burnt
2. burried in land fills
3. used as manure
4. used in civil construction
3.
To get pollinated by a bee, the Mediterranean Orchid, Ophrys, employs:
1. Sexual deceit
2. Pseudo-copulation
3. Reward in the form of Nectar
4. Place for laying eggs
4.
Consider the following two statements:
| I: | Except for plants in shade or in dense forests, light is rarely a limiting factor in nature for photosynthesis. |
| II: | Light saturation occurs at 50% of the full sunlight. |
1. Both statements are correct and II explains I
2. Both statements are incorrect
3. I is correct and II is incorrect
4. I is incorrect and II is correct
5.
In humans, the dominance relationship between the A and B alleles of ABO blood group gene is an example of
(1) complete dominance.
(2) incomplete dominance.
(3) codominance.
(3) epistasis
6.
Consider the following statements:
In a monocot stem-
| I: | Hypodermis is collenchymatous. |
| II: | Vascular bundle are collateral and closed. |
| III: | Trichomes are usually absent. |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
7.
The gametophyte is not an independent, free living generation in
(1) Adiantum
(2) Marchantia
(3) Pinus
(4) Polytrichum
8.
Cell wall is absent in
(1) Aspergillus
(2) Funaria
(3) Mycoplasma
(4) Nostoc
9.
In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), Yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy ?
1. Only round seeds with green cotyledons
2. Only wrinkled with yellow cotyledons
3. Only wrinkled seeds with green cotyledons
4. Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons.
10.
In Cycas
(1) ovlule and microsporangia are present in same sporophyll
(2) micro and megasporophyllus are present in same cone
(3) male cone and megasporophylls are borne on the same plant
(4) male cone and megasporophylls are borne on separate individual plants
11.
Which of the following is correctly matched ?
1. Central Rice Research Institute - Shimla
2. NationalBotanical Research Institute - Delhi
3. Central Drug ResearchInstitute - Cuttack
4. Central food Technology Research Institute - Mysore
12.
A man of blood group A marries a woman of AB blood group. Which type of progeny would indicate that man is heterozygous A?
(1) AB
(2) A
(3) O
(4) B
13.
Which of the following genotypes could cause Sickle cell anaemia?
(1) Hbˢ + Hbᴬ
(2) Hbᴬ+ Hbᴬ
(3) Hbˢ + Hbˢ
(4) Both ‘A’ and ‘C’.
14.
Repressor mRNA will be formed in
(1) absence of inducer
(2) presence of inducer
(3) both 1 and 2
(4) presence of lac mRNA
15.
Collenchyma occurs in layer below
(1) Parenchyma
(2) Sclerenchyma
(3) Epidermis
(4) Endodermis
16.
Felidae does not have
a. Dogs
b. Cats
c. Tiger
d. Leopard
17.
____________ ribosomes are present in eukaryotes while ________ribosomes are present in prokaryotes.
(1)70s, 80s
(2)80s, 70s
(3)80s,80s
(4)70s,70s
18.
The reformation of the nuclear envelope, nucleolus, Golgi complex, and ER occurs in
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
19.
Recombination nodules are
1. Sites over sister chromatids
2. Sites over non-sister chromatids
3. Sites over hom*ologous chromosomes
4. Sites over non-hom*ologous chromosomes
20.
During cellular breakdown of one molecule of Glucose, How many NADH are produced in total?
(1) 10
(2) 8
(3) 6
(4) 4
21.
Frog feeding on an herbivorous insect is:
| 1. | Primary consumer | 2. | Secondary consumer |
| 3. | Tertiary consumer | 4. | Top carnivore |
22.
Paramecium and Amoeba are placed in kingdom protista with
1. Anabaena and Colletotrichum
2. Anabaena and Chlorella
3. Chlamydomonas and Colletotrichum
4. Chlorella and Chlamydomonas
23.
Choose the incorrect match regarding population interactions.
Species A Species B
1. Amensalism – –
2. Parasitism + –
3. Commensalism + 0
4. Mutualism + +
24.
Cytokinin
Which of the following is not correct?
(1) Help to overcome apical dominance
(2) They promote nutrient mobilisation and helps in the delay of leaf senescence
(3) Lateral Shoot Growth
(4) Formation of Tap root
25.
The central placentation-
1. Ovules are borne on the Central axis
2. No septa
3. One chambered ovary
4. Dianthus, Argemone
Find the wrong one.
26.
Gynoecium of Liliaceae family has
1. Tricarpellary
2. Syncarpous
3. Superior ovary
4. All of these
27.
A typical anther shows
a. Two lobes with two theca each
b. Each lobe as dithecous
c. All cells in a given microsporangium as potential PMC
d. Thousands of microspores per microsporangium
Out of these statements :
1. b is incorrect
2. a and b are correct
3. c and d are incorrect
4. a, b, c and d are correct
28.
Which of the following alcoholic drinks are produced by distillation of the fermented broth:
1. Beer and wine
2. Whisky, brandy, rum
3. Beer and rum
4. Wine and brandy
29.
Study the following statements find the incorrect match.
1. Wild relatives are used in plant breeding.
2. Production of single cell protein is useful in reducing environmental pollution.
3. Somaclones are different from source of explant.
4. Maize hybrid have twice amount of amino acid lysine & tryptophan.
30.
Match Column I with Column II for housefly classification and select the correct option using the codes given below:
| Column I | Column II | ||
| A. | Family | (i) | Diptera |
| B. | Order | (ii) | Arthropoda |
| C. | Class | (iii) | Muscidae |
| D. | Phylum | (iv) | Insecta |
1. A-(iii) B-(i) C-(iv) D-(ii)
2. A-(iii) B-(ii) C-(iv) D-(i)
3. A-(iv) B-(iii) C-(ii) D-(i)
4. A-(iv) B-(ii) C-(i) D-(iii)
31.
If false septum is present. Than what would be the placentation
1. Axile
2. Parietal
3. Marginal
4. Free central
32.
Which of the following plants produce(s) chasmogamous and cleistogamous flowers?
1.Viola (Commonpansy)
2.Oxalis
3.Commelina
4. All of the above
33.
Sickle cell anemia is caused by:
| 1. | Chromosomal aberration | 2. | Point mutation |
| 3. | Non-disjunction event | 4. | An arthropod vector |
34.
Choose theincorrectstatement regarding patterns of biodiversity
1. Little biodiversity at the pole
2. It shows latitudinal and latitudinal gradient
3. It increases as we move from Columbia to Greenland via New York
4. Very harsh conditions bring about a reduction in it
35.
In a particular climatic condition, decomposition rate is slower if detritus is rich in
1. Nitrogen and water soluble substances
2. Chitin and nitrogen
3. Lignin and chitin
4. Water soluble substances and lignin
botany - Section B
36.
Which part of a plant is best suited for making virus-free plants through tissue culture?
1. Apical meristems
2. Axillary meristems
3. Haploid part like anther
4. More than one option is correct
37.
Both chloroplast and mitochondria show similarity in
1. Presence of DNA with more AT
2. Presence of 70s ribosome
3. Presence of porins
4. More than one option is correct
38.
At low light condition, which of the following plants respond to highconditions ?
1. Onlyplants
2. Onlyplants
3. Neitherplants
4. Bothplants
39.
Which of the following statements are true?
l.Species diversity provides stability to the ecosystem.
ll.Communities with more species tend to the more stable than those with less species.
lll.Ecosystems with higher biodiversity are more productive than ecosystems with lower biodiversity
lV.Biodiversity is not essential for the maintenance and health of ecosystems.
Choose the correct option:-
1. l, ll and lll
2. l, ll and lV
3. ll, lll and lV
4. l, ll, lll and lV
40.
Which of the following can be classified as a tertiary consumer?
(1) Zooplankton
(2) Fishes
(3) Wolf
(4) Man
41.
Identify the phase of the aerobic respiration during which FADH2 is produced:
1. glycolysis
2. oxidation of pyruvate
3. Krebs cycle
4. electron transport chain
42.
Which of the following statements is incorrect?
(1) RuBisCO is a bifunctional enzyme
(2) In C4 plants, the site of RuBisCO activity is mesophyll cell
(3) The substrate molecule for RuBisCO activity is a 5-carbon compound
(4) RuBisCO action requires ATP and NADPH
43.
Red algae are mostly found in A with abundance in the B .
A B
1. Freshwater habitats Warmer areas
2. Marine habitats Colder areas
3. Freshwater habitats Colder areas
4. Marine habitats Warmer areas
44. Which of the following is not an anatomical feature of a dicot stem?
1. Hypodermis of collenchyma
2. Endodermis, also called the starch sheath
3. Pericycle semilunar patches of sclerenchyma
4. Vascular bundle – conjoint and closed
45. The current episode of mass extinction:
| 1. | is the 5th extinction and is progressing slower than the previous episodes |
| 2. | is the 6th extinction and is progressing faster than the previous episodes |
| 3. | is the 5th extinction and is progressing faster than the previous episodes |
| 4. | is the 6th extinction and is progressing slower than the previous episodes |
46. During a certain period, density of a population in a particular habitat increases due to changes in
A. Mortality
B. Natality
C. Emigration
D. Immigration
E. Migration
Choose the correct answer from the options given below:
1. A and C only
2. A and E only
3. B and D only
4. C and E only
47.
Given below are two statements:
| Assertion(A): | Some species of insects and frogs are cryptically coloured to avoid being detected easily by the predator. |
| Reason(R): | Monarch butterfly develops a special chemical in its body by feeding on a poisonous weed at caterpillar stage. |
| 1. | Both(A)and(R)are true and(R)is the correct explanation of(A). |
| 2. | Both(A)and(R)are true but(R)is not the correct explanation of(A). |
| 3. | (A)is true but(R)is false. |
| 4. | Both(A)and(R)are false. |
48. In which of the following cases, light will become a limiting factor?
1. In case of high light intensity
2. In case of low temperature
3. In case of plants in dense forests
4. In case of water scarcity
49. Major conduit of energy in land and aquatic ecosystem is transferred through andrespectively.
1. GFC, DFC
2.PFC, GFC
3. DFC, GFC
4.GFC, GFC
50. Which of the following pairs is not correctly matched?
1. Ovule - Megasporangium
2. Filiform apparatus - Synergids
3.Apocarpus, multicarpellary gynoecium -Papaver
4. Largest cell of the embryo sac - Central cell
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