Q.1:- Cactus is referred to as ? [SSC (CGL) Exam 2014]
- Hydrophyte
- Mesophyte
- Xerophyte
- Epiphyte
Q.2:- Agar-Agar is prepared from ? [BSSC Exam 2015]
- Algae
- Lichens
- Fungi
- Bryophyte
Q.3:- Which plant is called herbal-Indian Doctor ? [SSC Exam 2011]
- Neem
- Amla
- Mango
- Tulsi
Q.4:- Transfer of pollen grain from pollen sac to stigma is called ?
- Thalmus
- Pollination
- Fertilization
- Germination
Q.5:- The inflorescence of wheat is ? [BSSC Exam 2015]
- Raceme
- Catkin
- Spike
- Panicle
Q.6:- Which of the following plants only produce seed but not fruit ? [RRB Bhopal TC/CC Exam 2005]
- Sugar Cane
- Peanut
- Cycas
- Almond
Q.7:- Double fertilization is main feature of ?
- Bryophytes
- Pteridophytes
- Gymnosperm
- Angiosperm
Q.8:- In plant which one of the following tissues is dead ? [NDA Exam 2006]
- Parenchyma
- Collenchyma
- Sclerenchyma
- Phloem
Q.9:- Which of the following part modified into pitcher in pitcher plant ? [IAS (Pre) Exam 2007]
- Stem
- Leaf
- Petiole
- Stipule
Q.10:- Which part of pear is edible ? [RRB Ahmedabad ASM/GG Exam 2004]
- Fleshy Thalmus
- Spores
- Both (A) and (B)
- Pod
Q.11:- Which of the following oils is gaining popularity as a cooking option in India ? [BSSC Exam 2015]
- Olive
- Coconut
- Pongamia
- Peanut
Q.12:- The green pigment found in plants that perform photosynthesis is ? [BSSC Exam 2015]
- Chlorophyll
- Chloroplast
- Chloroform
- None of the above
Q.13:- Transpiration helps in ?
- Transportation of minerals
- Ascent of sap
- Cooling
- All of the above
Q.14:- Wilting of plants occurs due to excessive ? [ACIO G II (Exe) Exam 2013]
- Absorption
- Transpiration
- Respiration
- Guttation
Q.15:- Which component of plants receives stimulus for flowering ? [BPSC Exam 2011]
- Stems
- Branches
- Leaves
- Roots
Q.16:- An element present in chlorophyll is ? [46th BPSC (Pre) Exam 2004]
- Ca
- Fe
- Mg
- S
Q.17:- Root hairs absorb water when ?
- They respire rapidly
- Soil solution is isotonic
- Salt concentration of cell sap is high
- Salt concentration of soil is high
Q.18:- Which of the following plant shows chloroplast dimorphism ? [SSC (CGL) Exam 2015]
- Rice
- Wheat
- Sugar Beet
- Sugarcane
Q.19:- First step of photosynthesis is ?
- Activation of chlorophyll by sunlight
- Oxygen comes out from water
- Formation of carbohydrate
- Fixation of carbon dioxide
Q.20:- Which one of the following gas comes out during photosynthesis ? [RRB Exam 2003]
- Oxygen
- Carbon Dioxide
- Hydrogen
- Chlorine
Q.21:- Food is preserved at low temperature because ?
- Bacterial Attack is minimise
- For Easy Cooking
- For Easy Digestion
- All of the Above
Q.22:- Pyruvic Acid is formed at the end of ?
- Calvin Cycle
- Glycolysis
- Kreb Cycle
- Pentose
Q.23:- Different steps in respiration are controlled by ?
- Auxins
- Sugar
- Enzymes
- Kinins
Q.24:- For the growth in length of plant which of the following is not essential ? [RRB Ranchi ASM / GG Exam 2005]
- Sodium
- Calcium
- Nitrogen
- Phosphorous
Q.25:- A plant leaf appears to be green because it ? [SCRA Exam 2012]
- Absorbs green light
- Reflects all but yellow and blue light
- Reflects green light
- Absorbs red and yellow light