1) Read the following statements & select the incorrect one
1) Isolated metabolic reactions in vitro are not living things but surely living reactions.
2) The sum total of all the chemical reactions occurring in our body is metabolism.
3) All organisms, from the prokaryotes to the most complex eukaryotes have self-consciousness.
4) Metabolic reactions can be demonstrated outside the body in cell-free system.
2) Read the following statement and select the incorrect statement.
1) Though the bacterial structure is very simple, they are very complex in behavior
2) Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur
3) Majority of the heterotrophic bacteria are important decomposers
4) Autotrophic bacteria synthesize their food from organic substrates
3) I) Unicellular, colonial, filamentous, marine or terrestrial forms
II) The colonies are surrounded by a gelatinous sheath
III) Some can fix atmospheric nitrogen in specialized cells called heterocysts
IV) They often form blooms in water bodies
These above characters are seen in
1) archaebacteria
2) Cyanobacteria
3) Chrysophytes
4) Dinoflagellates
4) Which of the following combination of characters is true for slime moulds?
1) Parasitic, plasmodium with true walls, spores dispersed by air currents
2) Saprophytic, plasmodium without walls, spores dispersed by water
3) Parasitic, plasmodium without walls, spores dispersed by water
4) Saprophytic, plasmodium without walls, spores dispersed by air currents
5) Read the following statement and select the correct statement
1) Members of kingdom fungi show a great diversity in structures & habitat
2) Most fungi are saprophytic in their mode of nutrition
3) There are four classes under kingdom fungi
4) All of the above
6) Asexual reproduction takes place in fungi with the help of
1)Ascospores, basidiospores & zoo spores
2)Zoospores,sporangiospores and conidia
3) Zoospores,oospores & basidiospo res
4)Oospores,ascospores, basidiospores
7) In phaeophyceae, the spores (zoospo res) are
1) Pyriform and bear 2 flagella( one longitudinal and other transverse)
2) Pear-shaped and bear 2 flagella that are laterally attached
3) Pyriform and bear 2-8, equal and apical flagella
4) Pear- shaped and bear 2-8, equal and apical flagella
8) Prothallus is
1) a structure in pteridophytes formed before the thallus develops
2) a sporophytic inconspicuous free living structure formed in pteridophytes
3) a gametophytic inconspicuous free living structure formed in pteridophytes
4) a gametophytic conspicuous structure formed after fertilization in pteridophytes
9) Match the columns I&II, and choose the correct combination from the options given
Column I Column II
a) Gorgonia 1) Brain coral
b) Adamsia 2) Jelly fish
c) Meandrina
3) Portuguese-man-of –war
d) Physalia 4) Sea anemone
e) Pennatula 5) Sea-fan
f) Aurelia 6) Sea- pen
1) a-6, b-4, c-3, d-1, e-5, f-2
2) a-5, b-4, c-1, d-3, e-6, f-2
3) a-5, b-3, c-1, d-4, e-2, f-6
4) a-5, b-4, c-3, d-1, e-6, f-2
10) Which one is correctly matched?
1) Scorpion, Spider, Cockroach- Ventral solid central nervous system
2) Cockroach, locust, Taenia- Metameric segmentation
3) Liverfluke, Sea Anemone, Sea Cucumber- Bilateral symmetry
4) Centipede, Prawn, Sea Urchin- Jointed appendages
11) Match the columns I & II, and choose the correct combination from the options given
Column I Column II
a) Porifera 1) Canal system
b) Aschelminthes 2) Water-vascular system
c) Annelida 3) Muscular Pharynx
d) Arthropoda 4) Jointed appendages
e) Echinodermata 5) Metameres
1) a-2,b-3,c-5,d-4,e-1 2) a-2,b-5,c-3,d-4,e-1
3) a-1,b-3,c-5,d-4,e-2 4) a-1,b-5,c-3,d-4,e-2
12) Match the columns I & II , and choose the correct combination from the options given
Column I Column II
a) Lamprey 1) Flame cells present
b) Rohu 2) Tetrpoda
c) Lancelet 3) Migrate to fresh
water for spawning
d) Camelus 4) Cycloid/ctenoid
scales
e) Trygon 5) Placoid scales
1) a-3, b-4, c-1, d-2, e-5
2) a-2, b-3, c-5, d-2, e-4
3) a-3, b-5, c-1, d-2, e-4
4) a-2, b-4, c-3, d-1, e-5
13) Match the columns I, II, & III and choose the correct combination from the options given
Column I Column II Column III
a) If a pair of leaves arise at each
node and lie opposite to each other 1) Alternate phyllotaxy K . Alstonia
b) If more than two
leaves arise at a node 2) Opposite phyllotaxy L. China rose
c) If a single leaf arise
at each node 3) whorled phyllotaxy M. Guava
1) a-1-L, b-3-M, c-2-K 2) a-2,-M, b-1-N, C-3-K
3) a-3-K, b-2-L, c-1-M 4) a-2-M, b-3-K,c-1-L
14) In some plants a slender lateral branch arises from the base of the main axis and after growing aerially for some time arch downwards to touch the ground. Here we are talking about
1) Pistia & Eichhornia
2) Mint & Jasmine
3)Banana, pineapple and Chrysanthe mum 4) Opuntia & Euphorbia
15) Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
1) Chordata-posses a mouth provided with an upper and a lower jaw
2) Chondrichthyes- Possess cartilaginous endoskeleton
3) Mammalia- give birth to young ones
4) Reptilia- possess3-chambered heart with one incompletely divided ventricle
16) Read the following statements and find the suitable option
a) Generally petals are green, leaf like and protect the flower in the bud stage
b) Sepals are brightly coloured to attract insects for pollination
c) If stamens in a flower remain free this is called polyandrous
d) Each ovary bears one or more ovules attached to a flattened , cushion like placenta
e) There may be a variation in the length of filaments of stamen within a flower, as in Salvinia and mustard
1) a,b &d are true but c&e are false
2) c,d and e are true but a &b are false
3) c & d are true but a,b &e are false
4) d & e are true but a,b & c are false
(To Be Continued)
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