Biology
Name the following.
(a) The instrument which is used to measure water uptake by the plant shoot during transpiration.
(b) Movement of substances into root cells without the expenditure of energy.
(c) The enzyme that is released from the injured cells and blood platelets of a wound.
(d) The hormone produced when a plant is exposed to stress.
(e) The part of the internal ear concerned with dynamic equilibrium of the body.
Related Questions
The liquid which collects in the cavity of Bowman's capsule is
- concentrated urine
- blood plasma minus blood proteins
- glycogen and water
- used bile for excretion
The water absorbed by the root is carried through the stem to all parts of the plant.
Which of the following is/are involved in the process described above?
(1) Xylem (2) Phloem (3) Hydathodes (4) Guard cells
- Only 1
- Only 1, 2 and 3
- Only 2 and 3
- Only 1, 3 and 4
Arrange and rewrite the terms in each group in correct order so as to be in a logical sequence beginning with the term that is underlined.
(a) Cell wall, Nucleus, Nucleoplasm, Cell membrane, Cytoplasm
(b) Australopithecus, Homo erectus, Cro-Magnon, Homo habilis, Homo sapiens sapiens
(c) Head, Pulmonary artery, Right ventricle, Right auricle, Superior vena cava
(d) Menstrual phase, Luteal phase Ovulatory phase, Follicular phase
(e) Gamete formation, Zygote, Fertilisation, Embryo
Fill in the blanks with suitable words.
The heart consists of four chambers (a) …………… and two (b) …………… . The atria have (c) …………… walls. The ventricles have (d) …………… walls. The right ventricle pumps blood only up to the (e) …………… for oxygenation.