Study the following statements and choose the correct option.
I. Life spans of organisms are correlated with sizes.
II Death of all individuals is certain
III. The organism's habital, internal physiology etc.
are collectively responsible for how it reproduces.
IV. When offspring is produced by single parent with or called asexual reproduction.

Consider the following statements and choose the correct option. I. The ovule is attached to the placenta by of a stalk called filament. II.The ovule fuses with the stalk in the region called hilum . III.Two protective envelopes of ovule are called integuments. IV. The small opening in the tip of ovule is called germ pores.Of the above statements, are correct.

Consider the following statements for reproduction in organisms and choose the correct ones. I. The selection of the mode of reproduction depends on organism's habitat, physiology and complexity. II. Exact copies of organisms are produced via asexual reproduction. III. Gametes in sexual reproduction are produced in gonads, which are mesodermal in origin. IV. Sexual reproduction involves genetic recombination via crossing over between non-homologous chromosomes of both parents. Select the correct codes.

Consider the following statements and choose the correct option (i) The genetic constitution of a plant is unaffected in vegetative propagation (ii) Rhizome in ginger serves as an organ of vegetative reproduction (iii) Totipotency of cells enables us to micropropagate plants

Consider the following statements and choose the correct option (i)The genetic consitution of a plant is unaffected in vegetative propagation (ii) Rhizome in ginger serves as an organ of vegetative reproduction (iii) Totipotency of cells enables us to micropropagate plants

Consider the following statements and choose the correct option. i. The genetic constitution of a plant is unaffected in vegetative propagation ii. Rhizome in ginger serves as an organ of vegetative reproduction iii. Totipotency of cells enables us to micropropagate plants

Consider the following statements and choose the correct option The genetic consitution of a plant is unaffected in vegetative propagation (ii) Rhizome in ginger serves as an organ of vegetative reproduction (iii) Totipotency of cells enables us to micropropagate plants

Study the following statements and choose the correct option. I. Asexual reproduction is common among single celled organisms and organisms with relatively simple organisation II. Conidia, bud, gemmules are common sexual structures III. Runner, rhizome, sucker, tuber, offset, bulb are vegetative propagules IV. The invasive weeds found growing in fresh water bodies is Zostera.

Study the following statements and choose the correct option. I. Asexual reproduction is common among single celled organisms and organisms with relatively simple organisation II. Conidia, bud, gemmules are common sexual structures III. Runner, rhizome, sucker, tuber, offset, bulb are vegetative propagules IV. The invasive weeds found growing in fresh water bodies is Zostera.

Study the following statements and select the correct ones. i) Organisms restricted to a narrow range of temperatures are called eurythermal. ii) Organisms capable of tolerating a wide range of temperature are called stenothermal organisms. iii) The levels of thermal tolerance of different species determine to a large extent their geographical disrributio. iv) Temperature affects the kinetics of enzymes.