Draw the well-labelled diagram of the human excretory system
Concept: Excretion: Substances to Be Eliminated
Explain sex determination in human beings.
Concept: Sex Determination
Transfer of information from molecules of DNA to mRNA is called as ______ process.
Concept: Evolution and Classiffication
State the different types of neurons.
Concept: Human Nervous System
What is the peculiarity of the ‘DNA’ structure?
Concept: Mendelian Inheritance - Mendel’s Laws of Heredity
Give the structural formula of ethanol.
Concept: Ethanol
What are covalent compounds?
Concept: The Covalent Bond
What are vestigial organs?
Concept: Evidences for Biological Evolution
Redraw the flow-chart with corrections. Explain in brief the process of obtaining energy through oxidation of carbohydrates, lipids & proteins.
Concept: Formation of ATP
Give the importance of variation in survival of species.
Concept: Sexual Reproduction in Animals
..................... type of reproduction occurs in Hydra.
(a) Binary fission
(b) Multiple fission
(c) Budding
(d) Fragmentation
Concept: Asexual Reproduction > Asexual Reproduction in Plant
Explain the term: Pollination.
Concept: Reproduction in Plant
Explain the following concept in short:
In-Vitro Fertilization (IVF)
Concept: Reproduction and Modern Technology
What will you do? Why?
Your sister has become incommunicative. She prefers to remain alone.
Concept: Social Health
Give scientific reason : Roots of plants grow away from light
Concept: Coordination in Plants - Introduction
Explain their neurons function.
Concept: Central Nervous System (CNS)
Name the following: Cells that assist the neuron in their function
Concept: Central Nervous System (CNS)
Classify the following as voluntary and involuntary actions:
(a) Coughing
(b) Food getting digested
(c) Moving a table
(d) Kicking a ball
(e) Beating of heart
(f) Flying a kite
Concept: Central Nervous System (CNS)
Write the names and functions of three parts of human nervous system in which it is divided.
Concept: Human Nervous System
Give the importance of variation in survival of species.
Concept: Sexual Reproduction in Animals
