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1 - 5 CHAPTERS (JUNIOR BOTANY)

1. Match the following.

The correct matching is
       I    II     III    IV
A:  D    B    E     A

 

2. Read the following statements and find out incorrect one.
1) Lower the taxa, more are the characteristics that the members within the taxon share.
2) Taxa can indicate categories at different levels.
3) Increase in mass and increase in number of individuals are twin characters of growth.
4) Properties of tissues are present in the constituent cells and also arise as a result of interactions among the constituent cells.
A: 4 (Properties of tissues are present in the constituent cells and also arise as a result of interactions among the constituent cells.)

 

3. Number of taxons to which plants and animals belong in the taxonomic categories showing hierarchial arrangement
A: 7

 

4. Assertion (A): The deuteromycetes reproduce only by asexual conidio spores.
    Reason (R): Once perfect stages of members of deuteromycetes were discovered they were often moved to other classes.
A: A and R are correct. R doesn't explain A.

 

5. Sex organs are absent in
     A. Phycomycetes          B. Bacteria                      C. Deuteromycetes 
     D. Cyanobacteria          E. Basidiomycetes
A: B, C, D, E

 

6. Match the following.

The correct matching is
       I     II    III   IV
A:  C    A    D    E

 

7. Read the following statements. Find out correct one.
1) The study of geographical distribution of plants in the past, present and future is called phytogeography.
2) Lichenology is the study of algal and fungal members which show symbiosis with other plants.
3) The study of non-chlorophyllous, heterotrophic vascular plants is called Mycology.
4) Palaeobotany helps us in understanding the course of evolution in plants.
A: 4 (Palaeobotany helps us in understanding the course of evolution in plants)

 

8. Find the mis-match.
     1) Biofertilisers - Avoids soil and water pollution 
     2) Bioremediation - Controls soil pollution 
     3) Sand binding plants - Prevention of soil pollution 
     4) Intensive tree plantation - Control of green house effect.
A: 3 (Sand binding plants - Prevention of soil pollution)

 

9. The following books or contributions were written or made in same period. 
     1) Micrographia - Description of sexual reproduction in plants 
     2) Anatomical study of plant tissues - Binomial nomenclature 
     3) Herbals - Vrikshayurveda
     4) Discovery of genetic nature of RNA - Sexual system of classification
A: 1 (Micrographia - Description of sexual reproduction in plants)

 

10. The following are homosporous, vascular and heterosporous, seed bearing plants respectively. 
     1) Polytrichum - Cycas 
     2) Sphagnum - Lycopodium
     3) Lycopodium - Salvinia
     4) Lycopodium - Ginkgo
A: 4 (Lycopodium - Ginkgo)

 

11. The following plants show swollen leaf base and swollen petiole respectively.
     1) Some leguminous plants, Eichornea
     2) Tephrosia, Pistia
     3) Eichornia, Crotalaria
     4) Mangifera, Hydrilla
A: 1 (Some leguminous plants, Eichornea)

 

12. The stem modifications that are useful in perennation
A: Underground stem modifications

 

13. Unisexual and bisexual flowers are present in the inflorescence of
A: Tridax

 

14. Aggregate fruits are found in
     A) Lotus                B) Rose      C) Helianthus       D) Annona
A: A, B, D

 

15. The following plants are similar in producing adventitious roots with similar kind of growth. 
     1) Banyan tree, Taeniophyllum      2) Ficus, Monstera 
     3) Maize, Monstera                        4) Monstera, Sugarcane
A: 2 (Ficus, Monstera)

 

16. Read the following table and select a pair of correct combinations.

A: II, III

Posted Date : 15-10-2020