Friday, August 26, 2011

Quiz 87 | General Knowledge About Plants

1.From which plant is the anti-malarial drug quinine obtained?

A. Wattle
B. Cinchona
C. Cinnamon



2.Which of these natural fibres is derived from the seed-hair of a plant?

A. Silk
B. Jute
C. Cotton



3.The plant of which of these edible substance belongs to the lily family?

A. Onion
B. Ginger
C. Mint
D. Black pepper



4.Which of the following belongs to the ginger family?

A. Turmeric
B. Asafoetida



5.What does Lemon contains?

A. Acid
B. Juice
C. Citric acid



6.Which of the following water pollutants encourage the formation of algae ?

A. Insecticides
B. Heavy metals
C. Plant neutralists
D. Sediments



7.The largest Indian fruit is the...

A. Water melon
B. Papaya
C. Jackfruit



8.Auxins in plants are synthesized at ?

A. Nodes
B. Petiole
C. Meristems
D. Internodes



9.Plants absorb most part of water needed by them through their

A. embryonic zone
B. growing point
C. root hairs
D. zone of elongation



10.Pollination is best defined as

A. transfer of pollen from anther to stigma
B. Germination of pollen grains
C. growth of pollen tube in ovule
D. visiting flowers by insects



11.The variety of coal in which the deposit contains recognisable traces of the original plant material is

A. bitumen
B. anthracite
C. lignite
D. peat



12.In anaerobic respiration ?

A. Glycolysis does not take place
B. Water molecule is split
C. Oxygen acts as a final electron acceptor
D. Ethyl alcohol is the common end product



13.If terminal bud of a plant is removed ?

A. Plant grows to normal height
B. Lateral branches grow
C. Plant increases in height
D. Roots donot develop



14.The cell we use in torch is_______?

A. Daniel cell
B. Lechlanche cell
C. Secondary cell
D. Button cell



15.Common sugar is actually ________.

A. Lactose
B. Sucrose
C. Fructose
D. Glucose



16.Red pigment is formed in

A. Nucleoplasm
B. Mitochondria
C. Choloroplasts
D. Cell sap in vacuoles of the leaf



17.Which of the following disease is found in ground nut?

A. Downy mildew
B. Bunt
C. Ikki



18.Respiration of plants is through

A. Arriers
B. Gills
C. Stomata



19.O2 released in the process of photosynthesis comes from

A. CO2
B. Water
C. sugar
D. pyruvic acid



20.The gas used for artificial ripening of green fruit is

A. ethylene
B. ethane
C. carbon dioxide
D. acetylene



21.What part of a flowering plant is important for reproduction?

A. Flower
B. Stems
C. Roots
D. Leaves



22.The significant rise in production of which commodity is referred as `Yellow Revolution’ ?

A. Grains
B. Pulses
C. Oilseeds
D. Fruits and Vegetables



23.Which among the following is a main structural axes of a vascular plant?

A. Thallus
B. Leaves
C. Stem



24.Which of the following is suitable for growing cotton?

A. Sandy soil
B. Clayey soil
C. Black soil



25.Which among the following is a best definition of Triticale?

A. A Hybrid Plant
B. A Man made cereal
C. A man made hybrid cereal not found in nature



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