Control and Coordination (Class X)
| Description: Biology | |
| Number of Questions: 15 | |
| Created by: Vinaya Modi | |
| Tags: Biology Ohms law Potential & Potential Difference Equivalent Combination of Resistances in Parallel and Series Resistive Devices and Power Consumption Electric Power Calculations Electric Charge and Current Electric Potential Difference Ohms Law Factors Affecting Resistance (Including Resistivity) Current-Charge Relationship |
A bitter gourd climber plant winds around the bamboo stick planted near it. The winding movement of the tendril of this climbing plant is an example of
Which of the following is correct about a plant which has a good level of abscisic acid?
Which of the following statements is/are correct?
a. Plants do not have a nervous system. b. Plants use hormones for coordination. c. Plants respond to stimuli very slowly by growing.
Which of the following cause(s) phototropism in plants?
Where is auxin hormone made in plant stem?
Which of the following multicellular animals do(es) not have nerve cells or neurons to respond to stimuli?
a. Anemone b. Sponge c. Hydra
Which of the following statements is/are correct?
a. The direction of nastic movement is not determined by the direction in which the stimulus is applied. b. Nastic movements are generally exhibited by the flat organs of plants like leaves or petals of flowers. c. Nastic movements are not growth movements.
Which of the following parts of plants is/are are negatively phototropic?
a. Stem b. Branches c. Leaves d. Roots
Which of the following statements is/are correct?
a. Cranial nerves connect all parts of the head to the brain. b. A spinal nerve is a mixed nerve, which carries motor, sensory and autonomic signals between the spinal cord and the body. c. Visceral nerves connect the internal organs of the body to the brain.
The brain is the highest coordinating centre in the body. It is surrounded by three membranes that help protect it. Which of the following is the correct name for these membranes?
Which of the following glands have both exocrine and endocrine functions?
a. Pancreas b. Adrenal glands c. Testes and ovaries
Which of the following statements is incorrect?
Which of the following regulate(s) the secretions of hormones from pituitary glands?
Mrs. Gupta was advised to take a blood test. The tests revealed that the sugar levels in her blood were very high. There is a deficiency of which of the following hormones in Mrs. Gupta's body?
Which of the following statements is/are incorrect?
a. Hormones are secreted in small amounts by the exocrine glands. b. Hormones are transported by the blood circulatory system. c. Hormones have their effect at sites different from the sites where they are made.