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71
Fossorial legs are found in
Discuss
Answer & Solution
Answer: Option D
Solution:
Fossorial legs are found in Mole cricket, Dung roller and Cicada nymphs.
Fossorial is a phrase used to describe the legs of some insects and other invertebrates that are modified for digging.
Fossorial limbs can be found on insects such as mole crickets, dung roller and cicasa nymphs. The fore limbs are enlarged and powerful and well adapted for digging.
72
Root knot infected plant contain more of
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
73
Match the following columns
Column-I (Nematodes) Column-II (Disease)
a. Globodera rostochiensis 1. Lesin nematode
b. Heterdera sachachtii 2. Patato cyst nematode
c. Pratylenchus penetrans 3. Sting nemtode
d. Belonolaimus longicaudatus 4. Sugarbeet cyst nematode
Discuss
Answer & Solution
Answer: Option A
Solution:
a. Globodera rostochiensis - Potato cyst nematode.
Globodera rostochiensis, commonly known as the golden nematode, golden eelworm, or yellow potato cyst nematode, is a plant pathogenic nematode. It is a pest of plants in the family Solanaceae, primarily infesting potatoes and tomatoes, as well as a variety of other root crops.
b. hetera sachachtii - sugarbeet cyst nematode.
Heterodera schachtii, the beet cyst eelworm or sugarbeet nematode, is a plant pathogenic nematode. It infects more than 200 different plants including economically important crops such as sugar beets, cabbage, broccoli and radish.
c. Pratylenchus penetrans - lesion nematode.
Pratylenchus penetrans is a species of nematode in the genus Pratylenchus, the lesion nematode. It occurs in temperate regions worldwide, regions between the subtropics and the polar circles. It is an animal that inhabits the roots of a wide variety of plants and results in necrotic lesions on the roots.
d. Belonolaimus longicaudatus - sting nematode.
Belonolaimus longicaudatus also known as Sting nematode is a common parasite of grasses and other plant crops and products. It is the most destructive nematode pest of turf grass, and it also attacks a wide range of fruit, vegetable, and fiber crops such as citrus, cotton, ornamentals and forage.
74
Which is the best suitable species for bee culture?
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Answer & Solution
Answer: Option A
Solution:
Apis indica is the best suitable species for bee culture.
Apis cerana indica, the Indian honey bee, is a subspecies of Asiatic honey bee. Relatively non-aggressive and rarely exhibiting swarming behavior, it is ideal for beekeeping.
Their nesting habit means that they can potentially colonize temperate or mountain areas with prolonged winters or cold temperatures. Colonies contain only a few thousand workers, compared to the 50,000 typical of European honey bees.
75
The highest pesticide used crop in India is
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Answer & Solution
Answer: Option A
Solution:
The highest pesticide used crop in India is Cotton.
Cotton crop is the largest consumer of pesticides in India, genetically modified Bt cotton seed was introduced in 2002-03 specifically to reduce its consumption. With only 5 percent of gross cropped area, cotton reportedly consumes 36 - 50 percent of total pesticides.
It is widely accepted and Bureau of Industrial Costs and Prices (BICP)'s analysis also confirms that cotton and rice are the major pesticide using crops in India.
76
Major waste of terrestrial insect is
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Answer & Solution
Answer: Option A
Solution:
The major waste of terrestrial insects is Uric acid.
Most terrestrial insects produce uric acid as their main nitrogenous waste product. Uric acid is a relatively non- toxic and highly insoluble waste product. Therefore, it can crystallize out of solution and may be either retained in the body, or eliminated as a solid waste material with little water loss.
77
The probosis in the mouth parts of the butterfly is formed from
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Answer & Solution
Answer: Option B
Solution:
The probosis in the mouth parts of the butterfly is formed from Galea of maxillae.
A long, slender proboscis is formed by the two galeae of the maxillae which interlock to enclose a central food canal. Only galea of maxillae of the two sides joins to form a long coiled proboscis.
Butterflies and moths have mouthparts specialized for probing into a flower and sucking out nectar.
78
Pink boll worm belong to the order
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Answer & Solution
Answer: Option C
Solution:
Pink boll worms belong to the order Lepidoptera.
Bollworm, any larvae of various moths belongs to order Lepidoptera, including the pink bollworm (Pectinophora gossypiella, family Gelechiidae) and some Helicoverpa species.
The pink bollworm is an insect known for being a pest in cotton farming. The adult is a small, thin, gray moth with fringed wings. The larva is a dull white caterpillar with eight pairs of legs with conspicuous pink banding along its dorsum. The larva reaches one-half inch in length.
79
Following is an example for secondarily wingless insect
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Answer & Solution
Answer: Option B
Solution:
Secondarily wingless insect is Head louse.
Head lice are wingless insects that spend their entire lives on the human scalp and feed exclusively on human blood.
Adult head lice are small (2.5 - 3 mm long), dorsoventrally flattened (see anatomical terms of location), and wingless.
80
Scientific name of the Dammer bee is
Discuss
Answer & Solution
Answer: Option B
Solution:
Scientific name of the Dammer bee is Melipona irridipennis.
The Indian stingless bee or dammar bee, Tetragonula iridipennis, is a species of bee belonging to the family Apidae, subfamily Apinae.
Many older references erroneously placed this species in Melipona, an unrelated genus from the New World and until recently it was placed in Trigona, therefore still often mistakenly referred to as Trigona iridipennis.