Match the following Columns

Column I		Column II
A.	Opuntia	1.	Stem thorns
B.	Asparagus	2.	Phylloclades
C.	Citrus	3.	Cladodes

• A	B	C
  1	2	3

• A	B	C
  2	3	1

• A	B	C
  3	2	1

• A	B	C
  2	1	3

The scientific name of gharial is

• Naja bun garus

• Gaviails gangeticus

• Hemidactylusflavivridis

• None of the above

153.

Predation and parasitism are which type of interactions.

• (+, +)

• (+, 0 )

• ( -)

• (+, -)

The ultimate source of energy for a living being is

• Sunlight

• ATP

• Fats

•  Carbohydrates

Which of these is used to control human population?

• Estrogen + progesterone

• IUCD and MTP

• Tubectomy and vasectomy

•  All of the above

Which of the following is a total root parasite?

• Cuscuta

• Rafflesia

• Santalum

• Monotrapa

Which part of the animal virus is not produced in multiple copies?

• Capsid

• Proteins

• Envelops

• Ribosome

Biotic potential or potential natality means

• Natural increase of population under ideal/optimum conditions

• The potential of the organism in a biome

• Number of organisms in a biome

• Species of maximum number in a population

Choose the wrong pair

•  Cenchrus-Savanna

• Abies – Coniferous forest

• Quercus – Broadleaf forest

• Tectona – Temperate forest

Match the following Columns

Column I (Pollination Technique)	Column II (Pollinator)
A. Cheiropterophily	1. Ant
B. Anemophily	2. Bat
C. Myrmecophily	3. Snail
D. Malaciphily	4. Wind

• A – 3; B – 2; C – 1; D – 4

• A – 2; B – 4; C – 1; D – 3

•  A – 4; B – 3; C – 2; D – 1

• A – 1; B – 3; C – 2; D – 4