List of practice Questions

Choose the incorrect statements regarding Hemichordata
A. Stomochord extends into proboscis
B. They have ventral heart with closed type of circulatory system
C. Development includes Tornaria larva
D. Cloacal respiration takes place by respiratory trees.
Choose the common characters shown by the animals of classes Scyphozoa and Anthozoa
A. Mesoglea is non-cellular with amoebocytes
B. Cnidocytes occur in ectoderm and endoderm
C. Germ cells are derived from endoderm
D. Coelenteron is undivided
Assertion (A): Bio piracy is use of bio resources by multinational companies with proper authorization from the other countries and people.
Reason (R): Industrialized nations are poor at biodiversity but rich financially.
The transgenic Flavr Savr tomato carries cloned genes for
A. delay in ripening process
B. longer shelf life
C. added flavors
D. vitamin A
Parbhani Kranti is a variety of this plant and resistant to this
Sickle cell anemia is this mutation and occurs due to change of these amino acids.
This committee of Indian Government takes decisions while introducing genetically modified organisms for public services.
Assertion (A): Infectious agents can be passed through the filter.
Reason (R): This filterable agent is responsible for disease.
This is the cross between F$_1$ generation and either of their parents
From the following choose the correct statement related to mutations
The reaction that does not contribute for proton gradient across thylakoid membrane.
Assertion (A): Photorespiration is a wasteful process.
Reason (R): There is no synthesis of sugars, ATP or NADPH, instead ATP is utilized and CO$_2$ is released in photorespiration.
This event occurs during electron transport system and oxidative phosphorylation of mitochondria
Correct sequence of the development process in a plant cell
The following plant is submerged and suspended in water
Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption
Arrangement of vascular bundles and bundle sheath tissue in Monocot stem
Identify the common character present in both dicot and monocot stems
Following is not a part of symplastic system.
Structural elements of cells
Substances that undergo upward or downward transport
Co factor that forms coordination bonds with side chains at active site of enzyme

Identify the group of plants belong to the same family based on the floral formula given below

The metal ions required for the association of the two subunits of the prokaryotic ribosomes
The following cell organelles are considered as endomembrane system