Tag: biology

Questions Related to biology

Myrmecophily belongs to the category of.

  1. Symbiosis

  2. Epiphytism

  3. Parasitism

  4. Saprophytism


Correct Option: A
Explanation:

Myrmecophily is a symbiotic relationship because it is the mutual interaction between two different species one of which is ants and the other could be a plant, fungi etc.

So the correct solution is 'Symbiosis'.

Animal prey defense includes all of the following except

  1. camouflage

  2. causing alarm of fright

  3. mimicry

  4. soft skin


Correct Option: D
Explanation:

Animal prey defence includes camouflage, causing alarm of fright and mimicry. But it does not include soft skin. So, the correct option is 'soft skin'

In which of the following type of behaviour, females choose the male they will mate with?

  1. Courtship

  2. Instinctive

  3. Seasonal

  4. Learned


Correct Option: A
Explanation:

Courtship is a kind of behaviour in which an animal attempts such actions so as to attract the opposite sex for mating. This type of behaviour includes ritualized movements like dancing, vocalizations, mechanical sound production or display of beauty. 

Thus, the correct answer is 'Courtship.'

Which of these builds its hive on walls using mud?

  1. Wasp

  2. Spider

  3. Tailor bird

  4. Honey bee


Correct Option: A
Explanation:

Mud Dauber or Mud wasp is the name applied to the number of species of family sphecidae or Crabronidae that built their nest from mud. It is built up by the female wasps by molding the mud by its mandibles. Mud daubers are generally not aggressive but may become hostile when threatened. 

So, the correct answer is 'Wasp'.

Mark the correct statement :

  1. The skull of baby chimpenzee is more like adult chimpenzee skull than adult human skull

  2. Firstly hominid features were revealed by homohabilis

  3. First human like being hominids are Australopithecus

  4. Domestication came before human settlements


Correct Option: A

The caudal fin of fish and pigeon is useful to ____________.

  1. increase the velocity.

  2. decrease the velocity.

  3. change direction.

  4. maintain balance.


Correct Option: A

Fill in the blank with correct option.
More reinforced responses increase in their likelihood called as _________.

  1. Selective learning

  2. Modelling

  3. Instrumental conditioning

  4. None of the above


Correct Option: A

Gorilla & Dryopithecus shows similarity in having : 

  1. Common ancestors

  2. Direct ancestors

  3. Menstruation cycle seen in female of both

  4. (1) & (3) both


Correct Option: A

A) Heartwood is durable, dark and central in position 
B) Tyloses are balloon like structures of xylem parenchyma in vessel lumen 
C) Latewood is formed during spring season 

  1. All are correct

  2. Only A is correct

  3. Only B is correct

  4. Only C is incorrect


Correct Option: A

$2$ years old Dhyani crying while playing. Her mother shows that red ant bites her and due irritation she is crying. Which of the following chemical enters into her body due to ant bite?

  1. Sulphuric acid

  2. Hydrochloric acid

  3. Amino acid

  4. Formic acid


Correct Option: A