10 MCQ on Plant Science for various Agriculture Exams✅ Part -61

158. Syngenesious condition can be seen in
(a) Calotropis (Asclepiadaceae)
(b) Luffa (Cucurbitaceae)
(c) Datura (Solanaceae)
(d) Hibiscus (Malvaceae)
Answer: (a) Calotropis (Asclepiadaceae)

---

159. Axile placentation, epipetalous stamens and gamopetalous corolla belong to
(a) Malvaceae
(b) Solanaceae
(c) Liliaceae
(d) Leguminosae
Answer: (b) Solanaceae

---

160. Carpels are oblique in Solanaceae because
(a) Both carpels move to left
(b) Both carpels move to 180°
(c) Posterior carpel is turned to left and anterior to right
(d) Posterior carpel to right and anterior to left
Answer: (d) Posterior carpel to right and anterior to left

---

161. A tricarpellary ovary with ovules on three parietal placentae would be
(a) Unilocular
(b) Bilocular
(c) Trilocular
(d) Pentalocular
Answer: (a) Unilocular

---

162. Plants whose ovary is bicarpellary, unilocular with parietal placentation and later become bilocular should belong to
(a) Malvaceae
(b) Solanaceae
(c) Leguminosae
(d) Cruciferae
Answer: (a) Malvaceae

---

163. Tricarpellary axile placentation is characteristic of
(a) Solanaceae
(b) Malvaceae
(c) Liliaceae
(d) Cruciferae
Answer: (c) Liliaceae

---

164. Compound apocarpous gynoecium is found in
(a) Lily
(b) Hollyhock
(c) Lotus
(d) Pumpkin
Answer: (d) Pumpkin

---

165. When separate carpels occur on an elongated thalamus, the gynoecium is said to be
(a) Paracarpous
(b) Syncarpous
(c) Coenocarpous
(d) Apocarpous
Answer: (d) Apocarpous