Questions
The major function of cerebellum is the reflex control of
- cardiac muscles
- skeletal muscles
- visceral muscles
- sensory organs
Echolocation is found in
- squirrel
- rat
- cat
- bat
The hormone responsible for the development and maintenance of secondary sexual characters in male is
- testosterone
- estrogen
- parathormone
- progesterone
Mitochondria of a sperm occur in its
- tail
- head
- acrosome
- middle piece
Which cell organelle is associated with acrosome formation?
- Mitochondria
- Ribosome
- Golgi body
- Centriole
Portuguese man o' war or physalia is a
- colonial monomorphic coeleterate
- polymorphic coelentrate
- coral
- ctenophore
Which of the following is a free-living freshwater flatworm?
- Planaria
- Schistosoma
- Fasciola
- Taenia
The photosensitive cells, rods and cones are located in
- iris
- choroid
- retina
- sclera
Syncytial epidermis is found in
- liverfluke
- tape worm
- ascaris
- earthworm
Book gills are associated with
- excretion
- respiration
- nutrition
- digestion
Fats are richly found in
- areolar tissue
- adipose tissue
- lymph glands
- tendon
Larva of filarial worm microfilariae is carried by
- sandfly
- culex mosquito
- anopheles mosquito
- housefly
Which one of the following gases is present today, but was absent about 3.5 billion years ago?
- Nitrogen
- Hydrogen
- Methane
- Oxygen
Bidder’s canal is found in
- kidney of mammal
- testis of frog
- kidney of frog
- ovary of mammal
Total number of chromosomes in Drosophila is
- 2 pair
- 3 pair
- 4 pair
- 8 pair
Which of the following is a steroid?
- Thyroxine
- Insulin
- Adrenalin
- Cortisol
The process of the formation of different genotype in a new settlement, when a small group of population found new settlement, is called
- Bottleneck effect
- Founder effect
- Mutation
- Genetic drift
The part of the brain which acts as a relay centre is
- hypothalamus
- pineal
- thalamus
- hippocampus
Which of the following hormones is not secreted by the anterior pituitary gland?
- Luteinizing hormone
- Growth hormone
- Testosterone
- Follicle-stimulating hormone
The vitamin which helps in the clotting of blood is
- vitamin-A
- vitamin-C
- vitamin-K
- vitamin-D
Protein present in cartilage is
- cartilagin
- ossein
- chondrin
- chitin
Which of the following is a correct set of vestigial organs?
- Ileo-caecal valve of man, wings of birds and caudal fins of fish
- Patygium of bats, scales of snakes and carapace of turtles
- Nails of man, premolar of man and ileum of all vertebrates
- Wings of kiwi, splint bone of horse and hind limbs of python
The type of epithelium which lines the inner surface of fallopian tubes, bronchioles and small bronchi is known as
- squamous epithelium
- columnar epithelium
- ciliated epithelium
- cubical epithelium
Frog's tadpole is
- uricotelic
- ammonotelic
- ureotelic
- aminotelic
Pneumotaxic centre associated with breathing is found in
- hypothalamus
- cerebrum
- cerebellum
- pons