#Question id: 10522
#I Life Science/ Life Sciences Group – I-V
Mechanical barriers
provide a first line of defence against insect pests and pathogens, these
mechanical barriers developed by plants;
COLUMN A |
COLUMN B |
A. Thorns |
i) It can be found on the stem and petioles of
roses and are formed by the epidermis |
B. Spines |
ii) Found on a lemon tree (Citrus sp.) are
modified branches, as can be seen by their position in the axil of a leaf |
C. Prickles |
iii) Found on shoot and leaves of tomato (Solanum
lycopersicum) are derived from epidermal cells |
D. Trichomes |
iv) which are characteristic of cacti (Opuntia
spp.) in the New World, are modified leaves |
Match correctly following combination of barrier developed by plants ;
#Question id: 7291
#SCPH01 Biochemistry
Five
different genes are known to specify floral organ identity in Arabidopsis: APETALA1 (AP1), APETALA2 (AP2), APETALA3 (AP3), PISTILLATA (PI),
and AGAMOUS (AG).
Which one of the following statement is incorrect?
#Question id: 20027
#SCPH01 Biochemistry
#Question id: 3004
#I Life Science/ Life Sciences Group – I-V
Bacterium was inoculated into a rich medium. If at the end of 5 hours the total number of cells is 1024, then the number of elapsed generations and the generation time respectively is
#Question id: 15186
#SCPH06 I Botany