Practice: MDCAT - Biology

Based on the fact that a watermelon contains many seeds, what can be inferred about a normal flower of a watermelon plant?

Cephalochordates are different from urochordates because in cephalochordates

The type of symmetry shown in the given diagram is found in

The given figure shows the structure of cell membrane. Which of the following components if removed from the cell membrane will limit the movement of large and charged particles across the cell membrane?

1, 3- bisphosphoglycerate → glyceraldehyde 3-phosphate The conversion of the above reactant into product involves

If the atrio-ventricular(AV) pathway of heart is blocked, the electrodes of artificial pacemaker are attached to the

Which of the following symptoms shows that a plant has been grown in soil deficient in phosphorus ions?

In this case, solanales represents a/ an

Skin is kept moist by the secretion of epidermal mucous gland cells and coelomic fluid. The above characteristic feature is a common respiratory adaptation in

The part which acts as a template for DNA formation during reproduction in host is

During photorespiration, ribulose biphosphate carboxylase fixes oxygen gas which results in lowering the overall rate of

In nostoc, hormogonia are formed during

Diffusion of carbon dioxide(CO2) gas takes place at points X and Y because partial pressure of CO2 gas is

CO2+ 2H2S → (CH2O)n+ H2O+ 2S In which type of bacteria does the above reaction take place?

Which of the following CORRECTLY identifies factors X, Y and Z?

Which of the following types of bacterial control method matches CORRECTLY with its example?

The movement of water molecules from cell 1 to cell 3 would discontinue in case of

The body of algae is called a thallus which means that

In the absence of cell X, cell Y cannot transport food because cell X

Protists that form a monophyletic lineage with plants are