Monday, 10 February 2020

PLUS ONE BOTONY QUESTIONS AND ANSWERS

Chapter 4
            ANATOMY OF FLOWERING PLANTS

1. The predominant substance found in the wall of crock  tissue
Ans :- suberin

2. Scattered vascular bundles are found in
Ans:- monocots

3 which of the following is not a character of monocots
a. Precence of single seed leaf
b. Endosperm present in the mature  seed
C. Floral parts as multiple odour or five

Ans:- Floral parts as multiples of  four or five

4. Name the tissue formed by the division of meristem
Ans:- permanent tissue

5. Which tissue is always young and in active division
Ans:- meristem

6. Name the zone of slowly dividing cell  in the middle of  highly meristamatic  cell of the root tip
Ans:- quiesunt center

7. Study the relationship between the first pair and fill up the blank

Root: Radial vascular bundle  stem
Ans:- cellateral vascular bundle

8. Vascular bundle in monocot root  is poly arch and hex arch radial  in dicot root it is
Ans:- Diarch to the arch , radial

9. Name the type vascular bundle  of  cucurbita stem
Ans:-Bicollateral

10. Study the relationship and fill  in the blank
Spring season: early wood
Autumn season:
Ans :- Late wood

11. Which of the following group produces spores but lack vascular tissue ?

a. Pteridophyt
b. Gymnosperm
c. Fungi
Ans:-  fungi

12. Companion cells are specialised paranchyma  cells  which are closely associated  with the .......... element

Ans:- suberin

13. The cell which take part in the confection of  water and salts in higher plants

Ans:-  Trache

14. Polyarch, exarch xylem  is found in
Ans:- monocots root

15. In a young dicot stem, epidemis is covered by a waxy coating called
Ans :- cuticle


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