In angiosperms, triple fusion results in the formation of:

• zygotic nucleus

• polar nucleus

• secondary nucleus

• primary endosperm nucleus

Which of the following is not the example of marine fishes ?

• Labeo

• Mugil

• Hilsa

• Sardines

In oogamy, fertilization involves :

• a small non- motile female gamete and a large motile male gamete

• a large motile female gamete and a small non-motile male gamete

• a large non- motile female gamete and a small motile male gamete

• a large non-motile female gamete and a small non-motile male gamete

Pancreatic duct of a healthy dog is blocked. Which of the functions of pancreas will not be affected ?

• Protein digestion

• Carbohydrate digestion

• Neutralization of chyme

• Maintenance of normal blood sugar level

The most accepted theory of ageing is :

• less RBC in blood

• thymus gland becomes non-functional

• brain cells die with ageing

• all of the above

Neurohypophysis secretes

• ADH and oxytocin

• oxytocin and estrogen

• vasopressin and GH

• vasopressin and estrogen

A flower characterised by monadelphous tubular stamens belongs to :

• Solanaceae

• Liliaceae

• Malvaceae

• Brassicaceae

Physiologically active thyroxine exists in which of the following form ?

• Unbound

• Bound to albumin

• Bound to globulin

• All of the above

Which of the following is a viral disease in silkworm ?

• Flacherie

• Grasserie

• Muscardine

• Pebrine

In Musa, inflorescence is :

• spadix

• corymb

• capitulum

• polychasial cyme