ples) then select the correct answer from the options given below :
Column A
(a) Cymose umbel (b) Thyrsus (c) Cymose corymb (d) Mixed panicle Column B 1. Grape vine 2. Allium cepa 3. Ligustrum 4. Ixora (a) (b) (c) (d) (A) 1 2 3 4 (B) 2 1 4 3 (C) 1 3 4 2 (D) 2 3 1 4
2. In certain algae, the hapteron is a/an—
(A) Attaching organ (B) Respiratory organ
(C) Reproduction type in which sexual spores are involved (D) Apical zone
3. Some plant tissues, that are modified for the storage of starch, derive most of their energy from—
(A) Photosynthesis (B) Glycolysis
(C) Glyoxylate metabolism (D) Fermentation
4. Plasmids that can integrate into the bacterial DNA are called— (A) Plasmogenes
(B) Neurogenes (C) Episomes (D) Hydrogenes
5. Which of the following associa- tions fixes nitrogen through non- nodulation ?
(A) Roots of maize associated with spirillum notatum (B) Coralloid root of Cycas in
association with Anabaena
(C) Roots of Digitaria in associa- tion with Spirillum notatum (D) All of the above
6. Which of the following is an artificial ecosystem ?
(A) Grassland (B) Rice field (C) Lake (D) Forest 7. Which of the following insecti-
vorous plants are partial stem parasite ?
(A) Viscum album (B) Santalum album (C) Both (A) and (B) (D) Botrichium
8. Edible part of pomegranate is— (A) Fleshy thalamus
(B) Fleshy aril (C) Succulent testa (D) Accrescent sepals
9. With which of the following tissues/cells, companion cells are associated ?
(A) Collenchyma
(B) Medullary parenchyma (C) Sieve tube
(D) None of the above
10. In older trees, the inner annual rings are called—
(A) Heartwood (B) Sapwood (C) Phloem (D) Dermatogen 11. Soil showing permanently wilted
plants has— (A) Capillary water (B) Hygroscopic water (C) Gravitational water (D) Ground water
12. Parasitic fungi take their nutrition from their host with the help of— (A) Paraphyses
(B) Haustoria (C) Soredia
(D) None of the above
13. In which of the following plant groups, the root is feebly deve- loped and stem is soft with a large number of air cavities ? (A) Xerophytes (B) Hydrophytes (C) Mesophytes (D) Helophytes
14. Root apical meristem cells are distinct from other root cells, because of their—
(A) Thick cell walls (B) Triploid nuclei
(C) Enlarged water vacuoles (D) Smaller size
15. Protein that forms chromatin with DNA is—
(A) Myosin (B) Actin (C) Troponin (D) Histone 16. Ethnobotany is a branch of
botanical science which deals with the study of—
(A) Shrubs and trees
(B) Plants used by people, parti- cularly by primitive people (C) Plants of economic value (D) All of the above
17. Those plants which grow luxu- riantly in rainy season and shed all the leaves in summer are called—
(A) Xerophytes (B) Lianus (C) Trophophytes (D) None of the above 18. ‘SCP’ stands for—
(A) Single cell protein (B) Special cell protein (C) Sweetener cell protein (D) Special cell for photosynthe-
sis
19. The transition between meiosis-I and meiosis-II is known as— (A) Interphase (B) Cell cycle (C) Interkinesis (D) Cytokinesis 20. Epithem tissue is associated
with— (A) Guttation (B) Photorespiration (C) Exudation (D) None of the above
21. The exchange of genetic material between nonsister chromatids of a bivalent during meiosis-I is known as—
(A) Diakinesis (B) Hybridization (C) Both (A) and (B) (D) Crossing-over
22. Entropyisastateorconditionof— (A) Energy
(B) Matter
(C) Both (A) and (B) (D) None of the above
23. Mushrooms are placed in divi- sion— (A) Ascomycota (B) Deuteromycota (C) Basidiomycota (D) Zygomycota
24. Flavoproteins contain flavin nucleotide, which is/are— (A) FMN
(B) FAD
(C) Both (A) and (B) (D) None of the above
25. The term meiosis-I and meiosis-II were used by—
(A) Flemming (B) Strasburger (C) Gregoire (D) Mendel
26. Laticiferous vessels are found in—
(A) Phloem tissue (B) Cortex (C) Xylem tissue (D) All of the above
27. Ozone is produced naturally by high energy solar radiation and the activity of methane (CH4) in the presence of—
(A) Nitrogen oxide (B) Sulphur dioxide (C) Carbon monoxide (D) Carbon dioxide
28. Shifting cultivation requires— (A) Excessive soil erosion for
crop production
(B) Alternate crop pattern on a particular area
(C) Long time for the regenera- tion of soil
(D) Huge amount of commercial fertilizer
29. The chemical formula of caro- tene obtained from carrot is— (A) C40H56
(B) C55H72N4 Mg (C) C55H27N2 Mg (D) C55H72 N6 Mg
30. The primary cell wall may con- tain—
(A) Cellulose
(B) Pectic compounds (C) Certain polysaccharides (D) All of the above
31. The fertilizer named ‘Nitrolim’ is prepared by the use of— (A) N + P + K
(B) CaC2 + P (C) CaC2 + N2 (D) None of the above
32. The average process of nitrogen fixation, the reduction of NO3– in the soil into molecular nitrogen is called—
(A) Chlorination (B) Ammonification (C) Denitrification (D) Nitrification
33. Who coined the term ‘telomere’ ? (A) Steffensen (B) Waldeyer (C) Altman (D) Muller 34. Soilparticles,particularlyclayand
organic matter in soil, contain negativechargesandattractposi- tively charged ions, such as— (A) Mg2+ (B) Ca2+ (C) K+ (D) All of these 35. The acid present in tomatoes is
mainly—
(A) Citric acid (B) Oxalic acid (C) Tartaric acid (D) Lactic acid 36. Genes not located within the
nucleus are almost always found in the—
(A) Cytoskeleton (B) Plastids (C) Cytosol (D) All of the above 37. Cladosporium is a/an—
(A) Fungus (B) Alga
(C) Cyanobacterium (D) PPLO
38. Divergent palmate venation is found in—
(A) China-rose (B) Cinnamon (C) Zizyphus jujuba (D) All of the above
39. Genes that are similar in pheno- typic effect when present sepa- rately but together interact to form a different phenotypes in the ratio of 9 : 7. Such genes are known as—
(A) Epistasis genes (B) Lethal genes
(C) Dominant epistatis genes (D) Complementary genes
40. The basic monomers used in DNA replication are—
(A) Glucose (B) Amino acids (C) DNA nucleotides (D) RNA nucleotides
41. Who among the following pro- posed the signal hypothesis for selective translocation of
m RNAs ?
(A) T. H. Morgan
(B) Blobel and Dobberstein (C) Bateson and Punnett (D) Watson and Crick
42. The rate of growth in plant is not uniform throughout its length in the apical meristems of— (A) Roots
(B) Stems
(C) Both (A) and (B) (D) None of the above
43. The DHU arm of transfer RNA contains—
(A) Unusual pyrimidine nucleo- tide
(B) Dihydrouracil (C) Both (A) and (B) (D) None of the above
44. The term mutation was intro- duced by—
(A) Hugo de Vries (B) Lamarck (C) Darwin (D) Morgan 45. Which of the following diseases
of stem is caused by the defi- ciency of Boron (B) ?
(A) Black necrosis (B) Die-back disease (C) Whip-tail disease (D) None of the above
46. Several ribosomes are often attached to and translating the samem-RNA.Theentirecomplex is called—
(A) Clover leaf (B) Anticodon (C) Codon (D) Polysome 47. Which of the following properties
makes plasmids suitable vectors for gene cloning ?
(A) Plasmids are small circular DNA molecules with their own replication origin site (B) Plasmids often carry antibio-
C.S.V.