Give a comparative account of the classes of kingdom Fungi under the following. i. Mode of nutrition ii. Mode of reproduction

Although sexual reproduction is a long drawn, energy intensive complex form of reproduction, many groups of organisms in kingdom Animalia and plantae prefer this mode of reproduction. The reason for this is

Fill in the blanks: 1. The ....a.... reproduction is the common mode of reproduction in organisms that have a relatively simple organisation like algae and fungi and they shift to ...b... method of reproduction just before the onset of adverse conditions. 2. Asexual (vegetative) as well as sexual modes of reproduction are exhibited by the ...c... 3. Only sexual mode of reproduction is present in most of the ...d...

Although sexual reproduction is a long drawn, energy intensive complex form of reproduction many groups of organism in Kingdom Animalia and Plantae prefer this mode of reproduction, Give at least three reasons for this

Natural fibres and synthetic fibres are used in the field of textile manufacturing. Which of these clothes is most suited for the following situations? Give reason. i. While cooking in the kitchen ii. To wear during summer

Compare the general characteristics of the first series of the transition metals with those of the second and third series metals. in the respective vertical columns. Give special emphasis on the following points: (i) electronic configurations (ii) oxidation states iii) Ionisation enthalpies and iv) atomic sizes.

Read the following statements carefully and select the appropriate option given below. (i) Bisexual animals that possess both male and female reproductive organs, are hermaphrodites. (ii) In seed plants, pollen grains are the carriers of male gametes and ovule have the egg. (iii) Events in sexual reproduction before the formation of zygote are called post-fertilisation events. (iv) Sexual reproduction involves the formation and fusion of gametes, (v) Animals are categorised into oviparous and viviparous based on whether the development of the zygote takes place outside the body of the female parent or inside.

Give one chemical test to distinguish between the following pairs of compounds i. Methylamine and dimethyl amine ii. Secondary and tertiary AMINES iii. Ethylamine and aniline iv. Aniline and benzylamine v. Aniline and N- methyl aniline