1. Viral reverse transcriptase copies the viral RNA to DNA in cytoplasm and then the DNA moves into the nucleus. This process occurs in the case of
A) Poxviridae B) Rhabdoviridae C) Retroviridae D) Reoviridae
2. Adaptive immunity response is
acquired after infection. Find the correct sequence of adaptive immunity
response
A) Pathogen
enters→APC triggers B cells via T helper cell→Antibodies
B) Pathogen enters→macrophage and dentritic cells recognize the antigen → engulf, process and present→APC interact with lymphocytes→ activate lymphocytes→adaptive immune response
C) Pathogen enters→phagocytes became activated→trigger cytotoxic T cells→Nk cells kills infected cells
D) Pathogen
enters→mast cell degranulation→inflamation→immunity
3. Macdonald Pfitzer’s law is related
to the
A)
Progressive decrease in the cell size in diatoms during cell division
B)
Progressive increase in the cell size in diatoms during cell division
C)
Progressive decrease in the cell size during auxospore formation in Centrales
D)
Progressive decrease in the cell size during auxospore formation in Pennales
4. Many Rhodophyceae members can
achieve high degree of thallus development. But some of them are unicellular.
Identify a pair of unicellular red algae from the following.
A)
Porphyridium and Chroothece
B)
Goniotrichum and Asterocyctis
C) Porphyra
and Chondrus
D)
Gracilaria and Gelidium
5. Myxomycetes, the fungus like
organisms are characterized by
1. Wall less
myxamoebae, swarm cells and plasmodium
2. Spores
with chitinous cell wall
3. Spores
with cellulose cell wall
4.
Fructifications with a thin wall called peridium which is often calcified and may
contain cellulose
A) 1, 2
& 4 B) 1, 3 & 4 C) 1 & 2 D) 1 & 4
6. Match the following
List I List II
a. Agaricus
bisporous 1. Puff ball
b. Amanita
phalloides 2. Death cap
c.
Lycoperdon sps. 3. Oyster mushroom
d. Pleurotus
sajor-caju 4. Button mushroom
A) a- 1 b-2 c-3 d-4
B) a- 4 b-2 c-3 d-1
C) a-4 b-2 c-1 d-3
D) a -3 b-4 c-2 d-1
7. Cyphellae, Cephalodia, Isidia and
Soredia are certain specialized structures associated with thalli of:
A) Certain Algae B) Some Fungi C) Lichens D) Certain Bryophytes
8. The spore dispersal mechanism of
Funaria?
A) Pseudo elaters
B) elaters
C) Peristomial teeth
D) No special mechanism
9. Which among the following is a
pteridophyte without the differentiation into true
leaves and roots?
A) Azolla B) Marselia C) Lepidodendron D) Rhynia
10. Which of the following stelar
types in Pteridophytes has leaf traces?
A)
Protostele B) Siphonostele C) Dictyostele D) Both B and C
11. Which one of the following
Gymnosperms is a profusely branching shrub?
A) Ginkgo biloba B) Ephedra distachya C) Gnetum gnemon D) Welwitschia mirabilis
12. The general pollination mechanism
in gymnosperms is:
A)
Entomophily B) Anemophily C) Malacophily D) Chiropteriphily
13. The plant genus of Samara fruit
type is:
A) Acacia B)
Capsella C) Dioscorea D) Calotropis
14. Rule of
priority of ICBN states that
A) The
earliest applicable, properly published name is the correct one
B) Botanical
nomenclature is independent of zoological nomenclature
C) Scientific names of taxonomic groups are treated as Latin regardless of their derivation
D) The application of names of taxonomic groups is determined by means of nomenclatural types
15. Hypanthodium is a special type of
inflorescence seen in:
A) Dianthus
B) Dorstenia C) Poinsettia D) Ficus
16. Match the following:
List I List II
a.
Nymphaeaceae 1. pollinia
b.
Brassicaceae 2. trifid style
c
Dipterocarpaceae 3. laminar stamen
d.
Asclepiadaceae 4. siliqua
A) a- 3 b-1 c-4 d-2 B) a- 4 b-2 c-3 d-1 C) a-4 b-2 c-1 d-3 D) a-3 b-4 c-2 d-1
17. Head office of NBPGR is at:
A) New Delhi
B) Mumbai C) Kolkata D) Chennai
18. Indigo is obtained from several species of Indigofera. In the plant the dye occurs as a colourless glycoside in the
A) seeds B)
fruit C) leaves D) bark
19. Investigating plants used by
societies in various parts of the world is known as
Ethnobotany. The father of
ethnobotany is
A) Richard Evans Schultes
B) Jacques Cartier
C) Frank Cushing
D) John William Harshberger
20. Match the following
List I List II
a. Heart
wood 1. Gymnosperms
b. Hard wood 2. Recently formed wood
c Sapwood 3.
Angiosperms
d. Soft wood 4. Tyloses
A) a-3 b-1 c-4 d-2
B) a- 4 b-2 c-3 d-1
C) a-4 b-2 c-1 d-3
D) a-4 b-3 c-2 d-1
