A seedling was made to stand in a solution of red ink for three hours and a transverse section of the stem was examined under the microscope. The process being investigated was A the importance of micro elements to plants …
The odontoid process is found on the A axis vetebra B atlas vetebra C thoracic vetebra D sacral vertebrae Answer is A The odontoid process is a projection of the axis vetebra. It is seen at its point of joining …
The conclusion drawn from the experiment in the diagram above is that A shoots of plants are negatively thigmotropic B shoots of plants are negatively geotropic C shoots of plants are positively phototropic D roots of plants are positively hydrotropic …
The diagrams above are illustrations of an experimental set-up to demonstrate a type of tropic response in plants. The type of response demonstrated is A phototropism B geotropism C hydrotropism D thigmotropism Answer is C From the first diagram, you …
Active transport differs from diffusion in that active transport A is a very fast process B allows the movement of substances against concentration gradient C takes place in both light and dark reaction of photosynthesis D occurs in both plant …
Which of the following organelles is found only in plant cells? A Mitochondria B Ribosomes C Lysosomes D Plastids Answer is D Plastids are found only in plants and algae. One common type of plastid is the chloroplast.
The streaming movement of cytoplasm within the Paramecium is known as A Transpiration B Digestion C Cyclosis D Osmosis Answer is C Cyclosis is also called Cytoplasmic streaming. It is defined as the streaming rotary motion of the protoplasm within …
What level of organisation is Spirogyra? A System B Organ C Cell D Tissue Answer is C Unicellular organisms like the Amoeba, Spirogyra etc fall in the cellular level of organisation.
Which of the following statements is true about arthropods? A Prothorax bears only legs B Mesothorax bears only legs C Metathorax bears only wings D Prothorax bears only wings Answer is A The prothorax contains the first pair of legs …
The scientist who introduced binomial nomenclature in the classification of organisms was A Charles Darwin B Carolus Linnaeus C John Ray D Louis Pasteur Answer is B Carolus Linnaeus, the swedish naturalist, is the man behind this present way of …