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1. 
A house fly has------------ number of chromatids in its meiocytes at the beginning of meiosis-I.
A.
6
B.
12
C.
24
D.
48
2. 
In the given diagram, some organisms are shown. What is the correct sequence of their life span in increasing order?-
A.
P, O, N, M, Q
B.
O, N, P, Q, M
C.
O, P, M, N, Q
D.
O, P, M, Q, N
3. 
Most primitive extinct arthropods were-
A.
Insect
B.
Trilobites
C.
Arachnids
D.
Crustaceans
4. 
Processes of bone cells are called
A.
Osteons
B.
Osteoclasts
C.
Trabaculae
D.
Canaliculi
5. 
From the given diagram, find out correct meanings of A, B and C.
A.
Glycolipid, Glycoprotein and Lipid
B.
Carbohydrate, glycolipid and protein
C.
Protein, carbohydrate and Glycolipid
D.
Carbohydrate, proteins and Lipids
6. 
Tubulin assembly takes place during-
A.
G-1 Phase
B.
Prophase
C.
G-2 Phase
D.
Metaphase
7. 
In the given map, X and Y are respectively
A.
Archaea and Bacteria
B.
Mycoplasma and Blue green algae
C.
Viruses and Bacteria
D.
Bacteria and Bacteriophage
8. 
Dumb bell shaped guard cells are found in leaves of
A.
Cereals
B.
Pulses
C.
Sunflower
D.
Cactus
9. 
Stomatal closure is induced by-
A.
Gibberellic acid
B.
Indole Acetic acid
C.
Kinetin
D.
Abscisic acid
10. 
A plant has a taproot system; several growth rings evident in a cross section of the stem, and a layer of bark around the outside. The plant is ?
A.
Herbaceous dicot
B.
Herbaceous Monocot
C.
Woody dicot
D.
Woody monocot