- Which of the following is a true statement?
(a) Nerium has sunken stomata like Cycas to decrease
rate of transpiration.
(b) hydrophilic proteins are better imbibant than agar.
(c) Boron is must for translocation of starch from source
to sink.
(d) Lenticels and stomata are, mainly, meant for
transpiration.
- minimum ‘transpiration ratio’ found in
(a) emergent hydrophytes like lotus
(b) halophytes like Salsola
(c) xerophytes like Aloe vera
(d) submerged hydrophytes like Hydrilla.
- In Z-scheme to produce 4 NaDPh 2 how many photons
of light are required?
(a) 12 (b) 8
(c) 24 (d) 16
- Which of the following are correct statements?
(j) Pinus and orchid seeds can’t germinate and establish
without the formation of mycorrhiza.
(k) Plants absorbs maximum water from the soil by
passive absorption.
(l) In endodermis region of roots, water follow
symplastic pathway.
(m) high O 2 concentration high light intensity induces
photorespiration in sciophytes.
(n) cocl 2 paper used to compare transpiration from
two surfaces of leaf.
(a) j, k and m only (b) l, m and n only
(c) j, k and n only (d) all of these
- Which of the following is not an antitranspirant?
(a) Pmc (b) aspirin
(c) Pma (d) aBa
- Which of the following instruments are correctly
matched, except?
(i) Potometer – Transpiration rate.
(ii) atmometer – Demonstrate transpiration pull.
(iii) auxanometer – Growth measurement.
(iv) Ganog’s light screen – measure light intensity.
(v) manometer – Demonstrate root pressure.
(a) (iv) (b) (ii)
(c) (iii) (d) None of these
- Which of the following statement is true w.r.t. shown
diagram?
(a) B has > ψw than a
(b) Solute moves from B a
(c) after an hour of setting the above system ψw of B
increases and ψw of a decreases
(d) all of these
- Which of the following is false statement?
(a) During alcoholic fermentation by yeast one glucose
generates 8 aTP.
(b) F 0 – F 1 complex in ETc act as complex V.
(c) Krebs’ cycle operates in matrix of mitochondrion.
(d) rQ for carbohydrate is infinity, in anaerobic respiration.
- Bridge reaction in aerobic respiration yields 2-c
compound to be used in Tca. Bridge reaction is a
(a) oxidative decarboxylation
(b) oxidative carbon reduction
(c) reductive decarboxylation
(d) oxidative carboxylation.
- Which of the following is incorrect w.r.t. respiration?
(a) connecting link between glycolysis and Krebs’ cycle
in acetyl coa.
(b) One turn of Krebs’ cycle can generate, maximum, 12
a T P.
(c) cytochrome a 3 , copper containing, shifts electron to
oxygen.
(d) In plants glucose on complete oxidation, always,
generates 38 aTP.
- In plants the end product of photosynthesis sucrose
before entering respiration in plant is converted into
glucose and fructose by ____ enzyme.
(a) a-amylase (b) maltase
(c) invertase (d) lyase
- It is better to consider respiratory pathway as a/an
(a) amphibolic pathway (b) anabolic pathway
(c) catabolic pathway (d) confusing pathway.
