Miscellaneous

Cycas and Adiantum resemble each other in having:
1. Seeds
2. Motile sperms
3. Cambium
4. Vessels

Which one of the following is the correct statement?

1.	Pteridophyte gametophyte has a protonemal and leafy stage
2.	In gymnosperms, female gametophyte is free-living
3.	Antheridiophores and protonema are present in pteridophytes
4.	Origin of seed habit can be traced in pteridophytes

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

1.	Paramecium and Plasmodium belong to the same kingdom as that of Penicillium
2.	Lichen is a composite organism formed from the symbiotic association of algae and a protozoan
3.	Yeast is used in making bread and brew is a fungus
4.	Nostoc and Anabaena are examples of Protista

Match the name of the animal (Column-I), with one characteristic (Column-II), and the phylum/class (Column-III) to which it belongs:

	Column-I	Column-II	Column-III
1.	Ichthyophis	terrestrial	Reptilia
2.	Limulus	body covered by chitinous exoskeleton	Pisces
3.	Adamsia	radially symmetrical	Porifera
4.	Petromyzon	ectoparasite	Cyclostomata

Read the following statements (A-E) and answer the question which follows them.

A:	In liverworts, mosses, and ferns gametophytes are free-living
B:	Gymnosperms and some ferns are heterosporous
C:	Sexual reproduction in Fucus, Volvox and Albugo is oogamous
D:	The sporophyte in liverworts is more elaborate than that in mosses
E:	Both, Pinus and Marchantia are dioecious

How many of the above statements are correct?

1. Two

2. Three

3. Four

4. One

Select the mismatch

1.	Cycas - Dioecious	2.	Salvinia - Heterosporous
3.	Equisetum - Homosporous	4.	Pinus - Dioecious

Select the wrong statement:

1.	Cell wall is present in members of Fungi and Plantae.
2.	Mushrooms belong to Basidiomycetes.
3.	Pseudopodia are locomotory and feeding structures in Sporozoans.
4.	Mitochondria are the powerhouse of the cell in all kingdoms except Monera.

Match the plant with the kind of life cycle it exhibits:

	List-I		List-II
(a)	Spirogyra	(i)	Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte
(b)	Fern	(ii)	Dominant haploid free-living gametophyte
(c)	Funaria	(iii)	Dominant diploid sporophyte alternating with reduced gametophyte called prothallus
(d)	Cycas	(iv)	Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte

Choose the correct answer from the options given below:

	(a)	(b)	(c)	(d)
1.	(ii)	(iv)	(i)	(iii)
2.	(iv)	(i)	(ii)	(iii)
3.	(ii)	(iii)	(iv)	(i)
4.	(iii)	(iv)	(i)	(ii)

Breeding crops, with higher levels of vitamins and minerals or higher proteins and healthier fats, is called:
1. Bio-accumulation
2. Bio-magnification
3. Bio-remediation
4. Bio-fortification

Which one of the following is not an advantage of inbreeding?

1.	It decreases the productivity of inbred population, after continuous inbreeding.
2.	It decreases homozygosity.
3.	It exposes harmful recessive genes that are eliminated by selection.
4.	Elimination of less desirable genes and accumulation of superior genes takes place due to it.