A:-Stem cuttings
B:-Root cuttings
C:-Asexual reproduction
D:-None of the above
Correct Answer:- Option-A
Question38:-Sweet potato and potato is a result of convergent evolution in
A:-Homologus organ
-Analogus organ
C:-Cladistic structures
D:-Morphological structures
Correct Answer:- Option-B
Question39:-Which of the following plants is characterized by the presence of cortical vascular bundles ?
A:-Chenopodium
B:-Nyctanthes
C:-Tecoma
D:-Boerhaavia
Correct Answer:- Option-B
Question40:-Knots are formed in woods
A:-Branches fall off and leaves scares
B:-Injuries caused by animals
C:-Of insects bites
D:-Branches get buried embedded in the stem
Correct Answer:- Option-D
Question41:-Lenticels do not occur in
A:-Root
B:-Fruit
C:-Stem
D:-Leaf
Correct Answer:- Option-D
Question42:-P-protein is found in
A:-Collenchymas
B:-Phloem parenchyma
C:-Sieve tube
D:-Xylem vessels
Correct Answer:- Option-C
Question43:-The lacunae in the vascular bundles of monocot stem is
A:-A large sized vessel
B:-Mucilage canal
C:-Lysigenous water cavity
D:-Metaxylem
Correct Answer:- Option-C
Question44:-Which of the following is grown by transplanting ?
A:-Maize
B:-Sorghum
C:-Onion
D:-Soyabeen
Correct Answer:- Option-A
Question45:-Cobalt is associated with
A:-Growth hormone
B:-Vitamin B12
C:-Haemoglobin
D:-Intestinal enzymes
Correct Answer:- Option-B
Question46:-Who among the following is considered as father of genetic engineering ?
A:-Philip Drinker
B:-Paul Berg
C:-Thomas Addison
D:-Alpheus S. Packard
Correct Answer:- Option-B