1. Name the family of watermelon
(1) Malvacease
(2) Leguminosae
(3) Cucurbitaceae
(4) Crucifereae
2. The nitrogen fixing bacterium is
(1) Escherichia
(2) Diplococcus
(3) Azotobacter
(4) Hemophilus
3. Total number of stamens in pigeon pea flower is:
(1) 5
(2) 10
(3) 15
(4) 9
4. RNA controls the synthesis of:
(1) Amino acids
(2) Nucleotide
(3) Chromosomes
(4) Enzymes
5. Mitochondria are absent in:
(1) Yeast
(2) Fungi
(3) Bactria
(4) Green algae
6. In crossing self fertilised plants the flowers are first emasculated. Which organ of flower is removed in this process:
(1) Stigma
(2) Anthers
(3) ovules
(4) Sepals
7. The lateral branches in dicot root arise from:
(1) Cortex
(2) Endodermis
(3) Phellogen
(4) Pencycle
8. conjoint, collateral and open vascular bundles are found in a:
(1) Dicot stem
(2) Monocot stem
(3) Dicot root
(4) Momocot root
9. The cork in dicotyledonous plants is formed by:
(1) Phellogen
(2) Phelloderm
(3) Phellum
(4) Cambium
10. Plants such as Pandanus and Rhizophora are examples of
(1) Xerophytes
(2) Mesophytes
(3) Hydrophytes
(4) Halophytes
11. Protein rich alga is:
(1) Chlamydomonas
(2) Scytonema
(3) Costar I um
(4) Spirulina
12. The mode of arrangement of leaves on the stem and the branch, is known as:
(1) Vernation
(2) Vernalization
(3) Phyllotaxy
(4) Venation
13. Metamerism is the diagnostic feature of:
(1) Mollusca
(2) Porifera
(3) Platyhelminthes
(4) Annelida
14. Peripatus is a connecting link between
(1) Annelida and Mollusca
(2) Annelida and Arthropoda
(3) Mollusca and Arthropoda
(4) Reptilia and Aves
15. Which is poikilothermic animal:
(1) Parrot
(2) Lion
(3) Wall lizard
(4) Bat
16. Choanocytes are found only in:
(1) Sponges
(2) Cnidarians
(3) Annelida
(4) Ascaris
17. BMR is controlled by:
(1) Thyroxin
(2) Adrenaline
(3) Growth hormone
(4) Insulin
18. Syncytial epidermis is found in:
(1) Hydra
(2) Ascars
(3) Earthworm
(4) Starfish
19. The infective stage of Entamoeba histolytica is:
(1) Sporozoite
(2) Minuta form
(3) Binucleate cyst
(4) Tetranucleate cyst
20. Mammary glands are modified:
(1) Sweat glands
(2) Sebaceous glands
(3) Endocrine glands
(4) All of these