Question29:-Tincture of iodine is
A:-aleoholic solution of **1_2""
B:-solution of *"1 2" in agueous KI
C:-aqueous solution of "| 2"
D:-aqueous solution of KI
Correct Answer:- Option-A
Question30:-Which of the following reaction will not result in the formation of C-C bond?
A:-Reimer-Tiemann reaction
B:-Friedel-Craft's reaction
C:-Wurtz reaction
D:-Cannizaro reaction
Correct Answer:- Option-D
Question31:-The fruit which is developed from a Monocarpellary superior ovary ‏کا‎
‎A:-Capsule
‎B:-Berry
‎C:-Drupe
‎D:-Pepo
‎Correct Answer:- Option-C
Question32:-Which of the following is not a Macronutrient?
A:-Potassium
B:-Nitrogen
C:-Calcium
D:-lron
Correct Answer:- Option-D
Question33:-The responses of plants to periods of day and night is termed as
A:-Photoperiodism
B:-Vemalisation
C:-Photosynthesis
D:-Respiration
Correct Answer:- Option-A
Question34:-Natural aging of a lake by nutrient enrichment of its water is called

iochemical oxygen demand
C:-Eutrophication
D:-Algal bloom
Correct Answer:- Option-C
Question35:-The pioneer species in a temrestrial Xerarch, ecological succession is always
A:-Moss
B:-Lichen
C:-Algae
D:-Ferns
Correct Answer:- Option-B
Question36:-'The allelic frequencies of a large population remains constant if there is no selection, migration, mutation and
recombination'. This principle is put forward by
A:-Charles Darwin
B:-Hugode Vries
C:-Hardy-Weinberg
D:-Carl Linnaeus
Correct Answer:- Option-C
Question37:-Select a stop codon of translation from the following altematives
A-UAA
B:-AUG
C:-GUA
D:-GAU
Correct Answer:- Option-A
Question38:-The milk produced during the initial few days of lactation is called .
A:-Colon
B:-Colostrum
C:-Coloumn