The relationship between a herbivore and the bacteria which live in its caecum is known as?
A. parasitism B. symbiosis C. commensalism D. saprophytism E. predation Correct Answer: Option B – symbiosis
In a water culture experiment a plant showed poor growth and yellowing of the leaves. These symptoms were probably due to the absence of?
A. calcium B. phosphorus C. iron D. zinc E. copper Correct Answer: Option C – iron
Which of the following is not regarded as a micro-nutrient or trace element for plant growth?
A. Phosphorus B. Zinc C. Boron D. Silicon E. Molybdenum Correct Answer: Option A – Phosphorus
Even though some flowering plants contain accessory pigments which give them colours they still contain the pigment?
A. melanin B. chlorophyll C. xanthrophyll D. carotene E. chlorocruorin. Correct Answer: Option B – chlorophyll
Auxins are produced in the?
A. petiole of leaves B. parenchyma of roots and shoots C. epidermis of roots and shoots D. apical regions of roots and shoots E. sclerenchyma tissues of roots and shoots Correct Answer: Option D – apical regions of roots and...Products
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