Question Bank No: 13

1. The branch of horticulture that deal with study of fruits and their cultivation is

 a)homology
 b)pomology
 c)embryology
 d)olericulture

2. The arrangement of ovules in the ovary is

 a)aestivation
 b)Placentation
 c)Venation
 d)insertion

3. The endosperm in angiospermic plant is

 a)Haploid
 b)diploid
 c)triploid
 d)polyploid

4. A population of genetically identical plants derived from an individual is called

 a)Rhizone
 b)Clone
 c)heterokaryon
 d)Scion

5. The position of the embryonal axis between plumule and cotyledon is called

 a)Epicotyl
 b)Hypocotyl
 c)coleoptile
 d)cileorrhiza

6. A white scar on the concave side of beam seed where funicle is attached is called

 a)testa
 b)hilum
 c)Caruncle
 d)Chalaza

7. In Vallisneria and Ceratophyllum--------takes place

 a)anemophily
 b)hydrophily
 c)malacophilly
 d)entomophily

8. In mulberry and fig the edible part is

 a)flower bud
 b)leaf
 c)root
 d)Inflorescence

9. Egg apparatus in embryosac consists of

 a)an egg nucleus & 2 synergids
 b)3 antipodals
 c)an egg cell and two polar nuclei
 d)whole embryosac

10. When more than two lateral branches arise from the base of the terminal flowers as in calotropics it is called

 a)monochasial cyme
 b)Dichasial Cyme
 c)Polychasial Cyme
 d)Cyathium

11. In sunflower the inflorescence is

 a)Catkin
 b)Capitulum
 c)Hypanthodium
 d)Cyathium

12. When the outer flowers are older than inner ones, the arrangement is called

 a)Acropetal
 b)Basipetal
 c)both 'a' and 'b'
 d)None of the above

13. Flowers that contain both stamen and pistil are

 a)Dioecious
 b)Monocarpic
 c)unisexual
 d)Intersexual

14. In bryophyllum vegetative reproduction occurs by

 a)Root
 b)Stem
 c)Leaves
 d)Inflorescence

15. Chlorophyll Contain

 a)Fe
 b)Mg
 c)K
 d)Mn

16. Minerals absorbed by roots move to leaves through

 a)Xylem
 b)Phloem
 c)Sieve Tube
 d)Companion Cell

17. Zinc is essential for

 a)Biosynthesis of Chlorophyll
 b)Biosynthesis of 3-IAA
 c)Stomatal Movement
 d)Oxidation of Carbohydrates

18. Mo Plays a major role in

 a)Promoting flowering
 b)Nitrogen Fixation
 c)Carbon Fixation
 d)Protein Synthesis

19. Ion Uptake is active because

 a)Ions are active
 b)Ions move freely
 c)Energy is expended
 d)Ions move positively

20. Which of the following is a saprophyte?

 a)Drosophyllum
 b)Monotropa
 c)Cassytha
 d)Ixora

21. Heterotrophic nutrition is found in

 a)Pistia
 b)Opuntia
 c)Drosera
 d)Mangifera

22. In plants common symptom caused by deficiency of P, K, Ca and Mg is the...

 a)Bending of leaf tip
 b)Formation of Anthocyanin
 c)Poor development of Vasculature
 d)Appearance of dead Necrotic Areas

23. In the mechanism of Active absorption the minerals are absorbed

 a)Along concentration gradient
 b)By osmosis
 c)Against concentration gradient
 d)By simple diffusion

24. Osmotic potential is numerically equal to

 a)T.P
 b)DPD
 c)O.P
 d)W.P

25. A cell will become turgid on being placed in

 a)Isotonic Solution
 b)Hypotonic Solution
 c)Hypertonic Solution
 d)Both a & b

26. Water Potential is maximum in the case of

 a)Pure water
 b)2% glucose
 c)10% Nacl
 d)10% glucose

27. Which of the following is required for Photosynthetic 02 evolution

 a)Copper
 b)Iron
 c)Manganese
 d)Zinc

28. The core metal of chlorophyll is

 a)Fe
 b)Mg
 c)Ni
 d)Cu

29. Photorespiration is favoured by

 a)High O2 & low CO2
 b)lowO2 & high CO2
 c)Low temp. and high O2
 d)low light and high O2

30. Non Cyclic photosphosphorylation involves

 a)PS-II Only
 b)PS I only
 c)Both PS-I and PS - II
 d)None

31. Photophosphorylation means..

 a)Formation of ATP from ADP
 b)Formation of NADP
 c)Formation of ADP from ATP
 d)Formation of PGA

32. Which of the following is needed in both photosynthesis and respiration

 a)Sunlight
 b)Chlorophyll
 c)Glucose
 d)Cytochrome

33. Calvin cycle occurs in

 a)Chloroplast
 b)Cytoplasm
 c)Mitochondria
 d)Glyoxisomes

34. Photolysis of water during photosynthesis occur with the help of

 a)PS-1
 b)PS-II
 c)Cytochrome
 d)Ferredoxin

35. The clorophyll molecule has

 a)Phosphate head & Prophyrin tail
 b)Porphyrin head and phytol chain
 c)Phytol head and porphyrin tail
 d)None

36. Premature leaf fall is caused due to the deficiency of

 a)K
 b)Ca
 c)N
 d)P

37. Plants absorbed the element nitrogen in the form of

 a)Nitrogen gas
 b)Nitric acid
 c)Nitrites
 d)Nitrates

38. Plants such as pitcher plant and 'sundew' are

 a)Carnivorous
 b)Symbiotic
 c)Autotrophic
 d)Parasitic

39. In rainy season, doors and windows swells up due to

 a)Imbibition of water
 b)Endosmosis of water
 c)Separation of xylem vessels
 d)All the above

40. The water potential of an aqueous solution will be

 a)Zero
 b)More than One
 c)Less than One
 d)Infinite.

41. Influx- Efflux of K+ ions for stomatal movement was proposed by

 a)Scarth
 b)Llyod
 c)Devlin
 d)Levitt

42. Wilting of plants occurs when

 a)Xylem is blocked
 b)Both xylem and Phloem blocked
 c)Phloem is blocked
 d)None of the above

43. Maximum transpiration occurs in

 a)Mesophytes
 b)Hydrophytes
 c)Xerophytes
 d)Algal Cells

44. The rate of transpiration increases by

 a)Very high wind velocity
 b)Formation of sunken stomata
 c)High saturation deficit
 d)Low light intensity

45. A plant cell become turgid due to

 a)Plasmolysis
 b)exosmosis
 c)Endosmosis
 d)Diffusion

46. Rate of transpiration higher than rate of water absorption shall cause

 a)Growth
 b)Leaf fall
 c)Wilting
 d)Death

47. Movement of water through semipermeable membrane causes

 a)Wall pressure
 b)Suction Pressure
 c)Turgar Pressure
 d)Osmotic Pressure

48. With rise in turgidity wall pressure with

 a)Decrease
 b)Increase
 c)Fluctuate
 d)remain unchanged

49. Krantz anatomy pertains to

 a)Flower
 b)Leaf
 c)Root
 d)Stem

50. World environment day is celebrated on ..

 a)3rd decemeber
 b)29th December
 c)5th June
 d)7th April