Q.1:- Dalchini is obtained from which part of plant ?
- Leaves
- Stem
- Root
- Bark
Q.2:- Spice saffron is obtained from which part of pant ?
- Leaf
- Petal
- Sepal
- Stigma
Q.3:- The book Historia Plantarum is written by ?
- Aristotle
- Theophrastus
- Hippocrates
- Darwin
Q.4:- Natural system of classification is based on ?
- Ontogeny
- Phylogeny
- Morphology
- Phylogeny and Morphology
Q.5:- Hydrophytes are ?
- Aquatic Plant
- Plant Disease
- Rootless Plant
- Organism found in sea
Q.6:- Curd is sour due to presence of ? [BSSC Exam 2015]
- Citric Acid
- Lactic Acid
- Acetic Acid
- None of these
Q.7:- Nitrogen fixing bacteria is found in leguminous plant ?
- Azohacter
- Nitrobacter
- Rhizobium
- Psendomnas
Q.8:- Viruses are made up of ? [SSC Graduate Level Exam CGL 2002]
- Protein & Lipids
- Nucleic Acid & Protein
- Lipids & Carbohydrate
- Carbohydrate & Nucleic Acid
Q.9:- The smallest organism, capable of autonomous growth and reproduction, is ? [BPSC Exams 2015]
- Virus
- Bacteria
- Mycoplasma
- Bacteriophage
Q.10:- Yeast is an important source of ?
- Vitamin C
- Vitamin B
- Vitamin A
- Vitamin D
Q.11:- The smallest prokaryotic organism is known ? [SSC (10+2) Exam 2014]
- Microcystis
- Mycoplasma
- Bacteria
- Chlorella
Q.12:- Dog bite can be cause rabies. Which among the following other animals can also cause rabies ? [CDS Exam 2011]
- Donkey
- Bat
- Horse
- Crocodile
Q.13:- Which one of the following is known as father of Taxonomy ?
- Mandel
- Linnaeus
- Khurana
- Angalar
Q.14:- Longest living tree is ? [40th BPSC Pre Exam 1995]
- Deodar
- Eucalyptus
- Sequoa
- Bamboo
Q.15:- Bamboo is classified as ? [RRB Exams Kolkata, 2009]
- Tree
- Grass
- Shrub
- Herb
Q.16:- Botanical name of Soyabean is ?
- Lathyrus Odratus
- Glycine Max
- Pisum Sativum
- Brassica Nigra
Q.17:- Pnematophores are found in ?
- Xerophytic plant
- Climbing plant
- Mangrove plant
- Hydrophytes plant
Q.18:- A complete flower have ?
- Androecium and Gynoecium
- Sepal and Petal
- Both (A) and (B)
- Androecium, Gynoecium and Petal
Q.19:- Flower in which pollination takes place by insect their pollen grains are ? [SSC Graduate Level Exam 1999]
- Smooth and Dry
- Rough and Sticky
- Rough and Dry
- Large in Size
Q.20:- Which one of the following plant is preferred for mixed cropping in order to enhance the bioavailability of Nitrogen ? [CDS Exam 2009]
- Wheat
- Gram
- Maize
- Barley
Q.21:- Which one of the following is protein fiber ? [CDS Exam 2007]
- Nylon
- Polyester
- Silk
- Cotton
Q.22:- Water is conducted in vascular plant by ? [BPSC Exam 2011]
- Phloem Tissue
- Parenchyma Tissue
- Meristems
- Xylem Tissue
Q.23:- Which one of the following is the example of subsistence farming ? [CDS Exam I 2014]
- Shifting Cultivation
- Commercial Farming
- Extensive and Intensive Farming
- Organic Farming
Q.24:- Condition in which rate of transpiration increases ?
- Low velocity of wind
- Low humidity and high temperature
- High humidity
- Excess amount of water in soil
Q.25:- Plant purify air during ?
- Photosynthesis
- Respiration
- Transpiration
- Desiccation