With which family and/or flower will you associate the features listed below?
(i) Epicalyx (ii) diadelphous condition (iii) parietal placentation (iv) monoadelphous condition (v) cruciform petals (vi) obliquely placed ovary (vii) marginal placentation (viii) tetradynamous stamens (ix) papilionaceous corolla. 

Select the characters which are not applicable to the family solanaceae (i) Epipetalous and syngenesious anthers (ii) Bicarpellary and syncarpous ovary (iii) Oblique ovary with axile placentation (iv) Stamens six, arranged in two whorls (V) Bicarpellary, syncarpous and inferior ovary

State (i) the formation (ii) the components of - a basic salt State which of following salts is an -acid, normal or basic salt (i) bleaching powder (ii) potassium mercuric iodide (iii) sodium sulphite (iv) sodium hydrogen sulphite (v) sodium silver cyanide (vi) basic lead nitrate (vii) potassium zincate (viii) alum (ix) calcium bicarbonate (x) basic copper chloride (xi) trisodium phosphate.

What characters are associated with bean plant I. Cup-shaped thalamus. II. papilionaceous corolla. III. Actinomorphic flowers. IV. Axile placentation.

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic reticulum (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are

Identify the parts labelled as A,B,C and D in the given figure and match the correct names from the list (i-viii) given below. (i)Reissner's membrane , (ii)Basilar membrane (iii)Tectorial membrane , (iv)Organ of Corti (v)Hair cellls , (vi)Otolith organ (vii)Scala media , (viii)Scala vestibuli

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (vii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are

Which of the following sentences are statements ? Give reasons for your answer. (i) there are 35 days in a month. (ii) mathematics is difficult. (iii) the sum of 5 and 7 is greater than 10. (iv) the square of a number is an even number. (v) the sides of a quadrilateral have equal length. (vi) answer this question. (vii) the product of (-1) and 8 is 8. (viii) the sum of all interior angles of a triagle is 180^@ . (ix) today is a windy day. (x) all real numbers are complex numbers.

Write the negative on the following simple statements. (i) The number 17 is not prime. (ii) 2+ 7 ne 6. (iii) violets are not bule . (iv) sqrt(5) is not a rational number . (v) 2 is a prime number . (vi) Every real number is not an irrational number . (vii) Cow has not four legs . (viii) A leap year has not 366 days. (ix) There exist similar tirangles which are not congruent. (x) Area of a circule is not same as the perimeter of the circle.

A list of steps involved in mechanism of vision is given below in a random order. (i)Neural impulses are analysed and image formed on retina is recognised by visual cortex. (ii)Membrane permeability changes (iii)Ganglion cells are excited (iv)Bipolar cells are depolarised (v)Action potentials (impulse) are transmitted by optic nerves to visual cortex. (vi)Potential differences are generated in the photoreceptor cells. (vii)Light energy causes a change in shape of rhodopsin, leading to the dissociation of retina (an aldehyde of vitamin A ) from opsin (a protein) (viii)Structure of opsin is changed. Which of the following options represents these events in a correct order ?