Which of the following are the important floral rewards to the animal pollinators?

• Colour and large size flower

• Nectar and pollen grains

• Floral fragrance and calcium crystals

• Floral fragrance and calcium crystals

A gymnast is able to balance his body upside down ever in the total darkness because of

• cochlea

• vestibular apparatus 

• tectorial membrane

• tectorial membrane

Which of the following does not favour the formation of large quantities of dilute urine?

• Alcohol

• Caffeine

• Renin

• Renin

A chemical signal that has both endocrine and neural roles is?

• melatonin

• calcitionin

• epinephrine

• epinephrine

Which of the following regions of the brain is incorrectly paired with its function?

• Medulla oblongata – homeostatic control

• Cerebellum – language comprehension

• Corpus callosum – communication between the left and right cerebral cortices

• Corpus callosum – communication between the left and right cerebral cortices

Glenoid cavity articulates 

• clavicle with acromotion

• scapula with acromion

• clavicle with scapula

• clavicle with scapula

Read the following five statements (I to V) and select the option with all correct statements.
I Mosses and lichens are the first organisms to colonise a bare rock. 
II .Selaginella is a homosporous pteridophyte.
III. Coralloid roots in Cycas have VAM.
IV. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

• I, III and IV

• II, III and IV

• I, IV and V

• I, IV and V

Which one of the following statements is not true?

• Pollen grains are rich in nutrients, and they are used in the form of tablets and syrups

• Pollen grains of some plants cause severe allergies and bronchial afflictions in some people

• The flowers pollinated by flies and bats secrete foul odour to attract them (c) Honey is made by bees by digesting

• The flowers pollinated by flies and bats secrete foul odour to attract them (c) Honey is made by bees by digesting

A man with blood group 'A' marries a woman with blood group 'B'. What are all the possible blood groups of their offsprings?

• A, B and AB only

• A, B, AB and O

• O only

• O only

In ginger vegetative propagation occurs through 

• rhizome

• offsets

• bulbils

• bulbils