Animals attracted to flowers by

TS EMCET 2022   

 BOTANY MOCK TEST KEY

 

1) Identify the wrong statement among the following

a) All living organisms present past & future linked to one another
b)Cellular organells properties are similar due to the interaction of molecular components
c)Organisational; complexity will be lower hierarchy of the organisms
d) All organisms have consciousness

2) which among the following do not form asexual spores usually ?

a)Deuteromycetes
b) Basidiomycetes
c)Ascomycetes
d) Phycomycetes

3) Assertion(A) : Socrates, plato and Aristotle were responsible for the development of Botany into a science
Reason (R) : They are regarded as Father of Botany
The correct option among the following is :
a) (A) is true , ( R ) is true and (R ) is the correct explanation for (A)
b) (A) is true , ( R ) is true but (R ) is the not correct explanation for (A)
c) (A) is true ,but ( R ) is false
d) (A) is false but ( R ) is true

4) Based on the following characte -ristics of life cycles identify and arrange plants respectively

A) Haplontic
B) Diplo-haplontic
C) Haplo-diplontic
D) Diplobiontic E) Diplontic
1) Laminaria 2) Volvox
3) Polysiphonia 4) Salvinia
5) Fucus
a) A-1 B-3 C-4 D-5 E-2
b) A-2 B-4 C-1 D-3 E-5
c) A-2 B-1 C-4 D-3 E-5
d) A-5 B-1 C-3 D-2 E-4

5) Arrange the following plants with their respective classes in the same order Sphenopsida, Psilopsida, Pteropsida Lycopsida, Gnetopsida

A) Selaginella B)Equisitum C)Sphagnum D)Adiantum E)Psilotum F) Gnetum
a) B,C,D,A,E b)B,E,D,A,F
c)A,C,B,F,D d)F,D,B,C,A

6) Find the correct statements among the following

A) For classification of higher organisms we need to know technical terms and variation of the parts
B)Roots arise from radicleare called fibrous roots
C)The modified bract is called spathe
D)In Apiaceae family ,each flower is surrounded by involucre of bracts
a) A,B b) A,C
c) B,C d) B,D

7) Assertion(A) :Some plants grow ing in N2 rich soils can obtain their nitrogen from insects Reason (R) : Bacteria inhabit ing the root system of Fabaceae plants can fix atmosphere nitro gen

The correct option among the following is
a) (A) is true, (R) is true and (R) is the correct explanation for (A)
b) (A) is true, (R) is true but (R ) is the not correct explanation for (A)
c) (A) is true ,but ( R ) is false
d) (A) is false but ( R ) is true

8) Identify the plants by their characters respectively

1)Axillary buds as tendrils , inferior ovary , mesocarp edible
2)A Later branch of one inter modal length , swollen petiole
3) Funnel shaped corolla , Dehiscent fruit
4)Basal placentation , condensed peduncle
A)Helianthus B)Eichornia
C)Cucumber D)Datura
a) A-1 B-3 C-2 D-4
b) A-3 B-2 C-1 D-4
c) A-1 B-2 C-3 D-4
d) A-4 B-2 C-1 D-3

9) Identify the formation of the prop roots ,stilt roots and pneumatophores respectively

A) Vertically growing upwards
B) Roots coming out of the lower nodes of the stem
C) Roots developing into vascular tissue of the host
D)Hanging roots from the branches
E) Roots that help in absorption if moisture
a)A,B,C b)B,C,D
c)D,B,A d)D,B,E

10) Choose the correct statements from the following

A) Meiosis has to occure if a diploid body has to produce gamets
B) in cladophora it is not possible to catogorize the male and female gamets
C) Organisms exhibiting exter nal fertilisation show greater synchrony between sexes
D) in wolfia isogamets can be seen
a)B,C,D b)A,B,C
c)A,B,D d)A,C,D

11) Assertion(A) :In some plants the generative cell divides and forms the two male gametes during pollen tube growth in stigma

Reason (R) : In plants which shed pollen in their cell stage , the pollen tube will have two male gamets from the beginning
The correct option among the following is
a) (A) is true , (R) is true and (R ) is the correct explanation for (A)
b) (A) is true , (R) is true but (R) is the not correct explanation for (A)
c) (A) is true ,but ( R ) is false
d) (A) is false but ( R ) is true

12) Match the following lists

List-1 List-2
A) Animals attracted to
flowers by 1)Ophiophily
B) Beetles flies are attracted by 2) Safe space to lay egg by insects
C) Pollination by squirrels 3) Colour
D) Pollination by snakes 4) Foul odours
E)Amarphophallus 5) therophily The correct match is
a)A-5 B-2 C-1 D-3 E-4 b)A-5 B-2 C-3 D-4 E-1
c)A-3 B-4 C-5 D-1 E-2 d)A-3 B-2 C-1 D-4 E-5

13) Choose the correct statement regarding characters of Arachis

a) Gamosepalous, geocarpic, inde hiscent fruit, diadelphous stamens
b) Geocarpic , indehiscent fruit, monodelphous stamens
c) Sepals valvate estivation, protandrous, indehiscent fruit,
d) Seeds store proteins and oil, endospermic

14) Choose the number of modifications in Allium cepa.
Tunicated bulb ; reduced stem ;
adventitious roots ;umbel
inflore scence ; solid leaves; fleshy leaf bases ; involucres of bracts
a) 4 b)5 c) 6 d) 7

15) Assertion(A) : In vacuole ,the concentration of ions and other material will be less than the cytoplasm

Reason (R) : Tonoplast facilitates the transport of ions and other materials against concentration to the vacuole .
The correct option among the following is
a) (A) is true , (R) is true and (R ) is the correct explanation for (A)
b) (A) is true , (R) is true but (R ) is the not correct explanation for (A)
c) (A) is true ,but ( R ) is false
d) (A) is false but ( R ) is true

16) Fill up the blanks with suitable words respectively

Each chromosome has a _______or ________on the sides disc shaped structure is called____ __.the________chromosome has two equal arms , _____ ___chromosome has one shorter and one long arm _____ ____chromosome has no second arm .the secondary constriction develop small fragment called ________,.
a)Metacentric, centromere,
telocentric, primary constriction, kinetochore, sub metacentric, satellite
b) primary constriction , centro mere, kinetochore, Metacentric, sub metacentric, telocentric, satellite
c) telocentric, Metacentric, , cent romere, primary constriction, kinetochore, submetacentric, satellite
d) telocentric, Metacentric, prim ary constriction, kinetochore, centromere, submetacentric, satellite

17) Identify the chemical components of nucleic acid

A)Cysteine
B) Heterocyclic compound
C) Tyrosine
D) Phosphoric acid
E) Ribulose
F) Monosaccharide
a)A,B,E,F b)A,B,D
c)B,D,F d) A,C,D,F

18) Identify the functions of these proteins respectively .

1)Trypsin 2) Receptor
3) Insulin 4) GLUT-4
5) Collagen
A)Enables glucose transport into cells
B) Enzymes
C)Intercellular ground substance
D)Hormone
E)Taste receptors
a)1- A 2- B 3- D 4- C 5- E
b) 1-B 2-A 3-D 4-C 5-E
c) 1-B 2-E 3-D 4-A 5-C
d) 1- A 2-D 3-C 4- B 5-E

19) Choose the incorrect statement among the following

A) Cells of the lining of the gut are replaced by mitotic division constantly
B) Formation of liquid endosp erm takes place , if karyokinesis is not followed by cytokinesis
C) In telophase, the chromoso mes reach the poles and start condense to form the chromatic network
D) In quiescent stage ,the cell is metabolically inactive
a)A,B b) B,C c) C,D d) A,D

20) Identify the based upon the following characters respe ctively

1)Large, colourless, empty cells along with leaf veins are used for absorption of water
2) cells much alongated , unbra nched with pointed needle like apices and thick cell wall are dead at maturity
3)the cells are longitudinally arra nged with performated end walls
4) cells left behind from shoot apical meristem
A)Axillary bud
B)Phloem fibre
C) Bulliformcells
D) Sieve tube elements

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

 

 

Answer Key

1- c 2-b 3-c 4-b 5-b 6-b 7-b 8-d 9-c 10-b 11- 12-c 13-b 14-d 15-d 16-b 17-b 18-c 19-d 20-c

 

 

Sabbidi Ramesh
Lecturer in Botany & Neet faculty,
Govt Junior College,
Banswada-
8179227595.