92The plants which perch on other plants but do not take nourishment from them ?
Ans : Epiphytes
93Plants that grow in a dry habitat like deserts and can survive without moisture?
Ans : Xerophytes.
94Plants that depend on other plants for their nourishment. They lack chlorophyll and thus cannot make their own food are called ?
Ans : Parasitic eg: bacteria; fungi.
95Plants which trap insects and other small creatures on their sticky leaves?
Ans : Carnivorous plants Ex Venus- fly trap
96The science of classifying organisms is called ?
Ans : Taxonomy.
97Whch is the world's most ferocious fresh water fish?
Ans : Piranha
98World habitat day is ?
Ans : 1st Monday of October
99The vegetation of deserts is called ?
Ans : Xerophytes
100Plants which grow in saline water are called?
Ans : Halophytes.
101Plants growing well in full sunlight are called?
Ans : Helio-phytes.
102Plants which grow luxuriantly in rainy season and shed all leaves in summer are called?
Ans : Tropophytes.
103Plants growing on acidic soil is called?
Ans : Oxylophytes
104Plants growing on rocks?
Ans : Lithophytes
105Plants growing in marsh are called?
Ans : Helophytes.
106Method of cultivating plants without using soil but by using nutrient solution?
Ans : Hydroponics
107Largest ape is ?
Ans : Gorilla
108Tallest animal on earth is ?
Ans : Giraffe
109Largest reptile is?
Ans : Crocodile
110Lowest recorded temperature for a human being to survive?
Ans : 20.30C
111Fastest Animal on earth is ?
Ans : Cheetah (speed 60-63 km/hr)
112Smallest bird is?
Ans : Humming bird
113Largest bird is?
Ans : North African Ostrich
114Largest mammal (animal) is?
Ans : Blue Whale (wt. 209 tones)
115Largest land animal is ?
Ans : African Elephant (wt. 7 tones)
116The hormone which helps in flowering of plants?
Ans : Florigen
117The plant hormone that controls fruit ripening is?
Ans : Ethylene
118Seed dormancy is due to ?
Ans : Abscisic acid
119The process by which green plants manufacture food in the form of carbohydrates by using water; CO2 and sunlight is ?.
Ans : PHOTOSYNTHESIS
120Oxygen balance in the atmosphere is maintained through the process of ?
Ans : Photosynthesis.
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