Biology — UPSC CSE General Studies PYQs

Consider the following :

1. Carabid beetles
2. Centipedes
3. Flies
4. Termites
5. Wasps
   Parasitoid species are found in how many of the above kind of organisms ?

Consider the following plants :

1. Groundnut
2. Horse-gram
3. Soybean
   How many of the above belong to the pea family ?

The organisms "Cicada, Froghopper and Pond skater" are :

Consider the following statements :

1. Lions do not have a particular breeding season.
2. Unlike most other big cats, cheetahs do not roar.
3. Unlike male lions, male leopards do not proclaim their territory by scent marking.
   Which of the statements given above are correct ?

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?

Consider the following :

1. Butterflies
2. Fish
3. Frogs
   How many of the above have poisonous species among them ?

Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow ?

Consider the following trees :

1. Jackfruit (Artocarpus heterophyllus)
2. Mahua (Madhuca indica)
3. Teak (Tectona grandis)
   How many of the above are deciduous trees?

Consider the following statements :
Statement-I :
Marsupials are not naturally found in India.
Statement-II :
Marsupials can thrive only in montane grasslands with no predators.
Which one of the following is correct in respect of the above statements?

Consider the following fauna :

1. Lion-tailed Macaque
2. Malabar Civet
3. Sambar Deer
   How many of the above are generally nocturnal or most active after sunset?