The ions extruded by auxin during cell wall extension is
Options
(a) potassium (b) sodium (c) magnesium (d) hydrogen
Correct Answer:
hydrogen
Explanation:
IAA brings about cell wall extension by activating proton pump […]
Structure formed in meiosis, which helps in crossing over, is called
Options
(a) synaptonemal complex (b) synzetic knot (c) kinetochore (d) chromocentre
Correct Answer:
synaptonemal complex
Explanation:
No explanation available. Be the first […]
Smallest unit of muscle is
Options
(a) sarcomere (b) sarcoplasm (c) muscle fibril (d) entire muscle
Correct Answer:
sarcomere
Explanation:
Sarcomere is the functional unit of myofibril. It is the part of myofibril […]
Food in plants is transported mainly as
Options
(a) starch (b) glucose (c) glycogen (d) sucrose
Correct Answer:
sucrose
Explanation:
Carbohydrates are translocated in the phloem. Analysis of the phloem exudates of sixteen tree […]
2017 Copyright Doctor Dreams Training Academy