1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Match the Column I with Column II with reference to biomagnification of DDT.

Column (I)
(Organism)
Column (II)
(DDT content)
i. Small fishes a. 0.04 ppm
ii. Fish eating Birds of Prey b. 0.5 ppm
iii. Large fishes c. 25 ppm
iv. Zooplankton d. 2.ppm
Choose the correct option:
A

i-b, ii -d, iii -c, iv -a

B

i-b, ii -c, iii -d, iv -a

C

i-c, ii-b, iii-a, iv-d

D

i-d, ii -b, iii - c, iv -a

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following plant hormones does NOT prevent abscission in plants?

A

Auxin

B

Gibberellin

C

Cytokinin

D

Ethylene

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Match the Column I with Column II.
Column (I)
(Parasite)
\begin{aligned}
& \text { Column (II) } \\
& \text { (Host) }
\end{aligned}
i. Ticks a. Marine fish
ii. Copepods b. Dog
iii. Cuscuta c. Indian crow
iv. Asian Koel d. Hedge plants
Choose the correct option:
A

i-b, ii-a, iii-c, iv-d

B

i - b, ii - a, iii - d, iv - c

C

$\mathrm{i}-\mathrm{b}, \mathrm{ii}-\mathrm{c}, \mathrm{iii}-\mathrm{d}, \mathrm{iv}-\mathrm{a}$

D

i - b, ii - d, iii - c, iv -a

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify P and Q regions in the diagram of histology of alimentary canal and identify the type of tissue.

MHT CET (PCB) 2025 9th April Morning Shift Biology - Digestion and Absorption Question 1 English
A

$\quad \mathrm{P}$ - Submucosa - loose connective tissue Q - Circular muscle layer - Smooth muscles

B

P -Mucosa-Mesothelium

Q - Muscularis - Straited muscles

C

P-Serosa- Squamous epithelium

Q - Muscularis - Smooth muscles

D

P -Mucosa-epithelium with microvilli

Q - Longitudinal muscle layer - Striated muscles