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
C.
I, IV and V
I, IV and V are correct statements.
II. Selaginella species are creeping or ascendant plants and produce heterospores (megaspores and microspores).
III. Caralloid roots are developed in Cycas. It produces as cluster at base of stem. It is dichotomously branched and greenish brown in colour. It contains algal zone in the cortex. This algal zone contains Nostoc and Anabaena.
Which of the following does not favour the formation of large quantities of dilute urine?
Alcohol
Caffeine
Renin
Renin
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
Glenoid cavity articulates
clavicle with acromotion
scapula with acromion
clavicle with scapula
clavicle with scapula
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
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
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
